Merge pull request #40 from Amy-Franz/add-minimum-pip-requirements-for-contributing-docs

add minimum pip requirements for contributing docs

Author: meshy

CONTRIBUTING.md

@@ -23,6 +23,7 @@ install Python requirements and pre-commit:
 ```sh
 pip install --group dev --editable .
 ```
+*The `--group` flag requires a minimum pip version of 25.1*
 
 ### Testing (full requirements matrix)