ci: add commitizen to pre-commit config

.pre-commit-config.yaml

 repos:
+  # Versioning: Commit Messages & Changelog
+  - repo: https://github.com/commitizen-tools/commitizen
+    rev: master
+    hooks:
+      - id: commitizen
+        stages: [commit-msg]
+
   # Autoupdate: Python code
   - repo: https://github.com/asottile/pyupgrade
     rev: v2.29.1