build(deps): Bump actions/setup-python from 5 to 6 in the ci-cd group

Bumps the ci-cd 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: ci-cd
...

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

Author: dependabot[bot]

.github/workflows/check-changes.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
           # The default GITHUB_TOKEN does not trigger downstream workflows.
           token: ${{ secrets.RELEASE_TOKEN }}
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}