Update renovate to use new "rebaseWhen" flag.

kurtisvg · lesv · commit 1ca0aa908729 · 2020-03-06T13:02:06.000-08:00
diff --git a/renovate.json b/renovate.json
@@ -19,6 +19,6 @@
   "labels": [
     "automerge"
   ],
-  "rebaseStalePrs": false,
+  "rebaseWhen": "never",
   "masterIssue": true
 }
