🐛 FIX: Update CONTRIBUTING.md

Co-authored-by: Copilot <[email protected]>

Author: 2 people

CONTRIBUTING.md

@@ -88,7 +88,7 @@ pre-commit run --all-files
 python release.py
 ```
 
-# 3. Optional: Publish to PyPI
+### 3. Optional: Publish to PyPI
 ```
 python -m build
 twine upload dist/*