deps(deps): bump actions/setup-python in the setup-actions group

Bumps the setup-actions group with 1 update: [actions/setup-python](https://github.com/actions/setup-python).


Updates `actions/setup-python` from 5 to 6
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: setup-actions
...

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

Author: dependabot[bot]

.github/workflows/publish-package.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
         with: { fetch-depth: 0 } # deep clone for setuptools-scm
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         id: setup-python
         with: { python-version: "3.10" }
       - name: Run static analysis and format checkers
@@ -73,7 +73,7 @@ jobs:
         run: |
             git config --global user.name "$(git --no-pager log --format=format:'%an' -n 1)"
             git config --global user.email "$(git --no-pager log --format=format:'%ae' -n 1)"
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         id: setup-python
         with:
           python-version: ${{ matrix.python }}