Update renovate.json

Author: ondrejmirtes

Diff for: renovate.json

@@ -1,5 +1,23 @@
 {
   "extends": [
     "config:base"
+  ],
+  "rangeStrategy": "update-lockfile",
+  "packageRules": [
+    {
+      "matchPaths": ["+(composer.json)"],
+      "enabled": true,
+      "groupName": "root-composer"
+    },
+    {
+      "matchPaths": ["build-cs/**"],
+      "enabled": true,
+      "groupName": "build-cs"
+    },
+    {
+      "matchPaths": [".github/**"],
+      "enabled": true,
+      "groupName": "github-actions"
+    }
   ]
 }