build(deps): bump actions/setup-python

Bumps the production-dependencies 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: production-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: "Set up Python ${{ matrix.python-version }}"
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: "${{ matrix.python-version }}"