Add show diff

Author: gdalle

.github/workflows/PreCommit.yml

@@ -24,4 +24,4 @@ jobs:
       - name: Install pre-commit
         run: uv tool install pre-commit
       - name: Run pre-commit
-        run: pre-commit run --all-files
+        run: pre-commit run --all-files --show-diff-on-failure --color always