chore: update renovate configuration to include package rules for npm dependencies

Author: floryn08

renovate.json

@@ -1,6 +1,10 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:recommended"
+  "extends": ["config:recommended"],
+  "packageRules": [
+    {
+      "matchManagers": ["npm"],
+      "groupName": "All npm dependencies"
+    }
   ]
 }