chore(deps): update pre-commit hook zricethezav/gitleaks to v8.18.4

.pre-commit-config.yaml

@@ -44,7 +44,7 @@ repos:
       - id: yamllint
         args: [-c=.yamllint.yaml]
   - repo: https://github.com/zricethezav/gitleaks
-    rev: v8.18.3
+    rev: v8.18.4
     hooks:
       - id: gitleaks
   - repo: https://github.com/jorisroovers/gitlint