gha: bump actions/setup-python from 5 to 6 in the github-actions group (#269)

Bumps the github-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: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/check.yml

@@ -52,7 +52,7 @@ jobs:
           fetch-depth: 5
 
       - name: Set up Python 3
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ inputs.version }}
           cache: pip
@@ -118,7 +118,7 @@ jobs:
           fetch-depth: 5
 
       - name: Set up Python 3
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ inputs.version }}
           cache: pip

.github/workflows/sync.yml

@@ -49,7 +49,7 @@ jobs:
           ref: ${{ env.PYDOC_VERSION }}
           path: ${{ env.LANGUAGE_DIR }}
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ inputs.version }}
           allow-prereleases: true