Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda).


Updates `actions/checkout` from 4 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v6)

Updates `conda-incubator/setup-miniconda` from 3 to 4
- [Release notes](https://github.com/conda-incubator/setup-miniconda/releases)
- [Changelog](https://github.com/conda-incubator/setup-miniconda/blob/main/CHANGELOG.md)
- [Commits](conda-incubator/setup-miniconda@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: conda-incubator/setup-miniconda
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/asv-benchmarking.yml

@@ -38,7 +38,7 @@ jobs:
           path: uxarray-asv
 
       - name: Setup Miniforge
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         with:
           miniforge-version: "24.1.2-0"
           activate-environment: asv

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
           token: ${{ github.token }}
 
       - name: conda_setup (x64)
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         if: matrix.os != 'macos-14'
         with:
           activate-environment: uxarray_build
@@ -46,7 +46,7 @@ jobs:
           miniforge-version: latest
 
       - name: conda_setup (ARM64)
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         if: matrix.os == 'macos-14'
         with:
           activate-environment: uxarray_build

.github/workflows/upstream-dev-ci.yml

@@ -70,7 +70,7 @@ jobs:
         shell: bash -l {0}
     steps:
       - name: checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6
 
       - name: Create or update failure issue
         shell: bash

.github/workflows/yac-optional.yml

@@ -27,12 +27,12 @@ jobs:
       OMPI_ALLOW_RUN_AS_ROOT_CONFIRM: 1
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           token: ${{ github.token }}
 
       - name: conda_setup
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         with:
           activate-environment: uxarray_build
           channel-priority: strict