Bump the github-actions group with 1 update

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

- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4...v5)

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

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

.github/workflows/chart.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           version: v3.9.2
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.7
       - name: Set up chart-testing