Bump actions/setup-python from 4.6.0 to 4.6.1 (blakeblackshear#6609)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4.6.0 to 4.6.1.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4.6.0...v4.6.1)

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

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

.github/workflows/pull_request.yml

@@ -65,7 +65,7 @@ jobs:
  - name: Check out the repository
  uses: actions/checkout@v3
  - name: Set up Python ${{ env.DEFAULT_PYTHON }}
- uses: actions/[email protected].0
+ uses: actions/[email protected].1
  with:
  python-version: ${{ env.DEFAULT_PYTHON }}
  - name: Install requirements