add ignoreUnstable config (recently it somewhy updated tslint to beta)

xobotyi · xobotyi · commit ce7957dd13f3 · 2019-11-06T15:29:50.000+03:00
diff --git a/renovate.json b/renovate.json
@@ -4,6 +4,7 @@
   ],
   "automerge": true,
   "pinVersions": false,
+  "ignoreUnstable": true,
   "major": {
     "automerge": false
   },
