GitHub Actions: Upgrade setup-python

Author: cclauss

.github/workflows/pre-commit.yml

@@ -10,5 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions/setup-python@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: 3.x
     - uses: pre-commit/[email protected]