adjust apollo rennovate reference

Author: arimus

renovate.json5

@@ -5,7 +5,7 @@
     "group:jestPlusTSJest",
     "group:jestPlusTypes",
     // Our default configuration. See https://github.com/apollographql/renovate-config-apollo-open-source
-    "github>apollographql/renovate-config-apollo-open-source",
+    "github>apollographql/renovate-config-apollo-open-source:default.json5"
   ],
   "packageRules": [
     // We set this to the lowest supported Node.js version to ensure we don't