chore: re-enable dependency dashboard (#18288)

Towards #18287
b/557105840

Author: parthea

renovate.json

@@ -2,7 +2,6 @@
   "extends": [
     "config:base",
     "group:all",
-    ":disableDependencyDashboard",
     "schedule:weekly"
   ],
   "ignorePaths": [