fix(pre-commit): update pre-commit hook zricethezav/gitleaks to v8.21.3

| datasource  | package              | from    | to      |
| ----------- | -------------------- | ------- | ------- |
| github-tags | zricethezav/gitleaks | v8.21.2 | v8.21.3 |

.pre-commit-config.yaml

@@ -28,6 +28,6 @@ repos:
     hooks:
       - id: forbid-secrets
   - repo: https://github.com/zricethezav/gitleaks
-    rev: v8.21.2
+    rev: v8.21.3
     hooks:
       - id: gitleaks