remove HEAD~

.github/workflows/yaml_format.yml

@@ -24,7 +24,7 @@ jobs:
       run: yamlfmt config
     - name: Check for changes after formatting
       run: |
-        git diff HEAD~ --exit-code  # Check for changes after formatting
+        git diff --exit-code  # Check for changes after formatting
       id: check_changes
     - name: Add formatting changes, push
       if: steps.check_changes.outputs == 0  # Check exit code of previous step (0 means no changes)