chore(deps): update actions/setup-python action to v5 (#24)

Author: renovate[bot]

.github/workflows/python.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - uses: NiklasRosenstein/slap@gha/install/v1
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v5
       with: { python-version: "${{ matrix.python-version }}" }
     - run: slap install --no-venv-check
     - run: slap test