Install pre-commit hooks in the install pre-commit phase

Author: gabrys

.github/workflows/tests-neptune-api-codegen.yml

@@ -32,12 +32,14 @@ jobs:
 
       - name: Install pre-commit
         run: |
-          python -m pip install pre-commit
+          python -m pip install pre-commit &&
+          pre-commit install-hooks
 
       - name: Run codegen and verify no changes
         run: |
           cd src &&
           python -m neptune_api_codegen.cli --no-update-api-spec --update &&
-          ( pre-commit run --all-files || true ; ) &&
+          ( pre-commit run --all-files >/dev/null || true ; ) &&
+          pre-commit run --all-files &&
           [ -z "$(git status --porcelain)" ] &&
           echo "✅ Repository is clean after regenerating neptune_api code"