ci: fix pre-commit action

Author: sbidoul

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
       - uses: actions/setup-python@v2
       - uses: pre-commit/[email protected]
         with:
-          extra_args: --hook-stage=manual
+          extra_args: --all-files --hook-stage=manual
 
   packaging:
     name: packaging