chore: revert to previous renovate.json config

Author: dphang

renovate.json

@@ -8,10 +8,5 @@
     "packages/serverless-components/nextjs-component/examples/**"
   ],
   "prHourlyLimit": 5,
-  "schedule": ["before 9am on Monday"],
-  "updateLockFiles": false,
-  "postUpgradeTasks": {
-    "commands": ["yarn"],
-    "fileFilters": ["**/yarn.lock"]
-  }
+  "schedule": ["before 9am on Monday"]
 }