Fix renovate.json

repo became public, we need to extend a different base renovate config

.github/renovate.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
-    "local>cognitedata/renovate-config",
+    "local>cognitedata/renovate-config-public",
     ":automergeMinor"
   ]
 }