Update pre-commit hook commitizen-tools/commitizen to v4.13.9

Author: renovate[bot]

.pre-commit-config.yaml

@@ -20,7 +20,7 @@ repos:
       - id: buildifier-lint
   # Enforce that commit messages allow for later changelog generation
   - repo: https://github.com/commitizen-tools/commitizen
-    rev: v4.13.8
+    rev: v4.13.9
     hooks:
       # Requires that commitizen is already installed
       - id: commitizen