chore: rename master references to main

Author: jondricek

.github/dependabot.yml

@@ -12,4 +12,4 @@ updates:
       day: "saturday"
       time: "09:00"
       timezone: "America/New_York"
-    target-branch: "master"
+    target-branch: "main"

README.md

@@ -25,10 +25,10 @@ More detailed information and examples about the specific usage of the additiona
 
 | module | description | documentation |
 |:------------|:------------|:--------------|
-| [navlayers](https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/navlayers) | A collection of utilities for working with [ATT&CK Navigator](https://github.com/mitre-attack/attack-navigator) layers. Provides the ability to import, export, and manipulate layers. Layers can be read in from the filesystem or python dictionaries, combined and edited, and then exported to excel or SVG images. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/master/mitreattack/navlayers/README.md).|
-| [attackToExcel](https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/attackToExcel) | A collection of utilities for converting [ATT&CK STIX data](https://github.com/mitre/cti) to Excel spreadsheets. It also provides access to [Pandas](https://pandas.pydata.org/) DataFrames representing the dataset for use in data analysis. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/master/mitreattack/attackToExcel/README.md).|
-| [collections](https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/collections) | A set of utilities for working with [ATT&CK Collections and Collection Indexes](https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/blob/master/docs/collections.md). Provides functionalities for converting and summarizing data in collections and collection indexes, as well as generating a collection from a raw stix bundle input. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/master/mitreattack/collections/README.md).|
-| [diffStix](https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/diffStix) | Create markdown, HTML, JSON and/or ATT&CK Navigator layers reporting on the changes between two versions of the STIX2 bundles representing the ATT&CK content. Run `diff_stix -h` for full usage instructions. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/master/mitreattack/diffStix/README.md).|
+| [navlayers](https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/navlayers) | A collection of utilities for working with [ATT&CK Navigator](https://github.com/mitre-attack/attack-navigator) layers. Provides the ability to import, export, and manipulate layers. Layers can be read in from the filesystem or python dictionaries, combined and edited, and then exported to excel or SVG images. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/main/mitreattack/navlayers/README.md).|
+| [attackToExcel](https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/attackToExcel) | A collection of utilities for converting [ATT&CK STIX data](https://github.com/mitre/cti) to Excel spreadsheets. It also provides access to [Pandas](https://pandas.pydata.org/) DataFrames representing the dataset for use in data analysis. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/main/mitreattack/attackToExcel/README.md).|
+| [collections](https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/collections) | A set of utilities for working with [ATT&CK Collections and Collection Indexes](https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/blob/main/docs/collections.md). Provides functionalities for converting and summarizing data in collections and collection indexes, as well as generating a collection from a raw stix bundle input. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/main/mitreattack/collections/README.md).|
+| [diffStix](https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/diffStix) | Create markdown, HTML, JSON and/or ATT&CK Navigator layers reporting on the changes between two versions of the STIX2 bundles representing the ATT&CK content. Run `diff_stix -h` for full usage instructions. | Further documentation can be found [here](https://github.com/mitre-attack/mitreattack-python/blob/main/mitreattack/diffStix/README.md).|
 
 
 ## Related MITRE Work
@@ -70,7 +70,7 @@ One-off scripts and code examples you can use as inspiration for how to work wit
 ## Contributing
 
 To contribute to this project, either through a bug report, feature request, or merge request,
-please see the [Contributors Guide](https://github.com/mitre-attack/mitreattack-python/blob/master/docs/CONTRIBUTING.md).
+please see the [Contributors Guide](https://github.com/mitre-attack/mitreattack-python/blob/main/docs/CONTRIBUTING.md).
 
 ## Notice
 

docs/RELEASE.md

@@ -2,11 +2,11 @@
 
 In order to release a new version of mitreattack-python, follow the process outlined here:
 
-1. Verify that all changes desired in the next release are present in the `master` branch.
+1. Verify that all changes desired in the next release are present in the `main` branch.
 
     - If this is for an ATT&CK release, make sure to update the `LATEST_VERSION` in `mitreattack/release_info.py`.
 
-2. Verify that all changes are documented in the CHANGELOG staged in the `master` branch.
+2. Verify that all changes are documented in the CHANGELOG staged in the `main` branch.
 3. Build the _mitreattack-python_ package from source and install it locally:
    1. [Optional] Activate a virtualenv. e.g., `source ./venv/bin/activate`
    2. Uninstall any older/previously installed versions of mitreattack-python: `pip uninstall mitreattack-python`
@@ -27,7 +27,7 @@ In order to release a new version of mitreattack-python, follow the process outl
    Update other fields in setup.py as necessary (used libraries, etc.)
 6. Commit any uncommitted changes.
 7. Tag the release:
-   1. Tag the `master` branch with the version number - `git tag -a "vA.B.C" -m "mitreattack-python version A.B.C"`
+   1. Tag the `main` branch with the version number - `git tag -a "vA.B.C" -m "mitreattack-python version A.B.C"`
    2. Push both the commit and the tag - `git push`/`git push --tags`
 8. Verify that the package uploaded correctly
    1. Check that GitHub Actions succeeded: <https://github.com/mitre-attack/mitreattack-python/actions>

docs/additional_modules/attackToExcel.rst

@@ -1,11 +1,11 @@
 attackToExcel
 ==============================================
 
-A collection of utilities for converting `ATT&CK STIX data`_ to Excel spreadsheets. 
-It also provides access to `Pandas`_ DataFrames representing the dataset for use in data analysis. 
+A collection of utilities for converting `ATT&CK STIX data`_ to Excel spreadsheets.
+It also provides access to `Pandas`_ DataFrames representing the dataset for use in data analysis.
 
 Further documentation can be found `here`_.
 
 .. _ATT&CK STIX data: https://github.com/mitre/cti
 .. _Pandas: https://pandas.pydata.org/
-.. _here: https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/attackToExcel
+.. _here: https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/attackToExcel

docs/additional_modules/collections.rst

@@ -1,11 +1,11 @@
 collections
 ==============================================
 
-A set of utilities for working with `ATT&CK Collections and Collection Indexes`_. 
-Provides functionalities for converting and summarizing data in collections and collection indexes, 
+A set of utilities for working with `ATT&CK Collections and Collection Indexes`_.
+Provides functionalities for converting and summarizing data in collections and collection indexes,
 as well as generating a collection from a raw stix bundle input.
 
 Further documentation can be found `here`_.
 
-.. _ATT&CK Collections and Collection Indexes: https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/blob/master/docs/collections.md
-.. _here: https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/collections
+.. _ATT&CK Collections and Collection Indexes: https://github.com/center-for-threat-informed-defense/attack-workbench-frontend/blob/main/docs/collections.md
+.. _here: https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/collections

docs/additional_modules/diffStix.rst

@@ -1,10 +1,10 @@
 diffStix
 ==============================================
-     
-Create markdown, HTML, JSON and/or ATT&CK Navigator layers reporting on the changes between two 
-versions of the STIX2 bundles representing the ATT&CK content. Run 'diff_stix -h' for full usage 
+
+Create markdown, HTML, JSON and/or ATT&CK Navigator layers reporting on the changes between two
+versions of the STIX2 bundles representing the ATT&CK content. Run 'diff_stix -h' for full usage
 instructions.
 
 Further documentation can be found `here`_.
 
-.. _here: https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/diffStix
+.. _here: https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/diffStix

docs/additional_modules/navlayers.rst

@@ -1,12 +1,12 @@
 navlayers
 ==============================================
 
-A collection of utilities for working with `ATT&CK Navigator`_  layers. 
-Provides the ability to import, export, and manipulate layers. 
-Layers can be read in from the filesystem or python dictionaries, combined and edited, 
+A collection of utilities for working with `ATT&CK Navigator`_  layers.
+Provides the ability to import, export, and manipulate layers.
+Layers can be read in from the filesystem or python dictionaries, combined and edited,
 and then exported to excel or SVG images.
 
 Further documentation can be found `here`_.
 
 .. _ATT&CK Navigator: https://github.com/mitre-attack/attack-navigator
-.. _here: https://github.com/mitre-attack/mitreattack-python/tree/master/mitreattack/navlayers
+.. _here: https://github.com/mitre-attack/mitreattack-python/tree/main/mitreattack/navlayers

docs/contributing.rst

@@ -3,4 +3,4 @@ Contributing
 To contribute to this project, either through a bug report, feature request, or merge request,
 please see the `Contributors Guide`_.
 
-.. _Contributors Guide: https://github.com/mitre-attack/mitreattack-python/blob/master/docs/CONTRIBUTING.md
+.. _Contributors Guide: https://github.com/mitre-attack/mitreattack-python/blob/main/docs/CONTRIBUTING.md