Bump actions/setup-python from 4 to 5

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 5.
- [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
...

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -29,7 +29,7 @@ jobs:
         with:
           fetch-depth: 0 # fetch all history for setuptools_scm to be able to read tags
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         # Only set up Python if we're running directly on an agent. If we're in
         # a container, the image should already provide the intended Python.
         if: '! matrix.container-image'