chore: set timeout on pre-commit workflow (#1445)

This workflow has recently run into some issues where it just hung. To
make these not unnecessarily block resources, it should be killed after
5 minutes.

Author: zerok

.github/workflows/pre-commit.yaml

@@ -14,6 +14,7 @@ permissions: {}
 jobs:
   pre-commit:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
 
     permissions:
       contents: read