pythongh-109408: Run patchcheck in GitHub Actions

Author: sobolevn

.github/workflows/lint.yml

@@ -24,3 +24,14 @@ jobs:
         with:
           python-version: "3.x"
       - uses: pre-commit/[email protected]
+
+  patchcheck:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+      - run: python Tools/patchcheck/patchcheck.py --ci true