Add PLC0414 error code as well

Author: adonath

.github/workflows/ruff.yml

@@ -16,4 +16,4 @@ jobs:
           pip install ruff
       # Update output format to enable automatic inline annotations.
       - name: Run Ruff
-        run: ruff check --output-format=github --select F822 .
+        run: ruff check --output-format=github --select F822,PLC0414 .