chore: disable renovate dependency dashboard (#1194) (#546)

Author: gcf-owl-bot[bot]

packages/google-cloud-asset/renovate.json

@@ -1,7 +1,8 @@
 {
   "extends": [
     "config:base",
-    "docker:disable"
+    "docker:disable",
+    ":disableDependencyDashboard"
   ],
   "pinVersions": false,
   "rebaseStalePrs": true,