Update renovate node filter to current LTS

Author: timja

.github/renovate.json

@@ -15,7 +15,7 @@
     },
     {
       "matchPackageNames": ["node"],
-      "allowedVersions": "/20.[0-9]+.[0-9]+(.[0-9]+)?$/"
+      "allowedVersions": "/22.[0-9]+.[0-9]+(.[0-9]+)?$/"
     }
   ],
   "customManagers": [