chore(deps): update actions/setup-python action to v5

Author: renovate[bot]

.github/workflows/python.yml

@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: NiklasRosenstein/slap@gha/install/v1
     - 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
       run: slap install --no-venv-check