Bump actions/setup-python from 2 to 5

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 5.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...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]>

.github/workflows/tests.yml

@@ -60,7 +60,7 @@ jobs:
         run: |
           PGPASSWORD=postgres psql -h"127.0.0.1" -p"${POSTGRES_PORT}" -U postgres -c "CREATE USER graphite WITH CREATEDB PASSWORD 'graphite';"
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies