build(deps): bump actions/setup-python from 3 to 4 (#545)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 3 to 4.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v3...v4)

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

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

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

Author: dependabot[bot]

.github/workflows/tests.yaml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
 
@@ -66,7 +66,7 @@ jobs:
       - name: Check out code from GitHub
         uses: "actions/checkout@v3"
       - name: Setup Python ${{ env.DEFAULT_PYTHON }}
-        uses: "actions/setup-python@v3"
+        uses: "actions/setup-python@v4"
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Install requirements