Update renovate to include helmv3 dependencies

From #78 (closed)

Updated renovate.json to read Chart.yaml dependencies

As per Ryan Garcia, no need to update README.md, CHANGELOG.md, or bump Chart.yaml version

renovate.json

@@ -5,6 +5,7 @@
   "dependencyDashboardHeader": "- [ ] Sync upstream helm chart version with updated dependencies.",
   "dependencyDashboardTitle": "Renovate: Upgrade Gitlab Runner Package Dependencies",
   "draftPR": true,
+  "enabledManagers": ["regex", "helmv3"],
   "labels": ["gitlabRunner","Big Bang Core","Package Sustainment","kind::maintenance"],
   "commitMessagePrefix": "SKIP UPDATE CHECK",
   "packageRules": [