feat: config renovate to wait 7 days after dependency release before update PR (#526)

Author: gforsyth

renovate.json

@@ -8,7 +8,8 @@
       "enabled": false,
       "matchPackageNames": [
         "/^rapidsai//"
-      ]
+      ],
+      "minimumReleaseAge": "7 days"
     }
   ]
 }