chore(deps): update actions/setup-python action to v4

Author: renovate-bot

.github/workflows/ci.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/setup-python@v4
       - uses: actions/cache@v3
         with:
           path: ~/.cache/pip