Bump the actions group in /.github/workflows with 3 updates

Bumps the actions group in /.github/workflows with 3 updates: [actions/checkout](https://github.com/actions/checkout), [actions/setup-python](https://github.com/actions/setup-python) and [OpenAstronomy/github-actions-workflows/.github/workflows/publish.yml](https://github.com/openastronomy/github-actions-workflows).


Updates `actions/checkout` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@8e8c483...de0fac2)

Updates `actions/setup-python` from 6.1.0 to 6.2.0
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@83679a8...a309ff8)

Updates `OpenAstronomy/github-actions-workflows/.github/workflows/publish.yml` from 2.3.1 to 2.4.0
- [Release notes](https://github.com/openastronomy/github-actions-workflows/releases)
- [Commits](OpenAstronomy/github-actions-workflows@9f1fedd...99401c3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: actions/setup-python
  dependency-version: 6.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: OpenAstronomy/github-actions-workflows/.github/workflows/publish.yml
  dependency-version: 2.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/python-tests.yml

@@ -52,11 +52,11 @@ jobs:
             toxenv: codestyle
 
     steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6.0.1
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       with:
         fetch-depth: 0
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548  # v6.1.0
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -78,7 +78,7 @@ jobs:
 
   publish:
     needs: tests
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish.yml@9f1fedda61294df4c004c05519a3fbf3b8e1f32f  # v2.3.1
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish.yml@99401c364fa51c9c507d3cd6d272049278ac0b2c  # v2.4.0
     with:
       env: |
         EXTENSION_HELPERS_PY_LIMITED_API: 'cp311'