Add pre-commit trigger for renovate config

Author: smokestacklightnin

.pre-commit-config.yaml

@@ -82,3 +82,8 @@ repos:
       - id: terraform_fmt
         args:
           - --args=-write=true
+
+  - repo: https://github.com/renovatebot/pre-commit-hooks
+    rev: 39.17.1
+    hooks:
+      - id: renovate-config-validator