chore: update renovate config

Author: ckoehler

renovate.json

@@ -3,18 +3,14 @@
   "extends": [
     "config:recommended"
   ],
-  "cargo": {
-    "enabled": true
-  },
-  "github-actions": {
-    "enabled": true
-  },
+  "enabled": false,
   "ignorePaths": [
     ".github/workflows/release.yml"
   ],
-  "prConcurrentLimit": 10,
-  "schedule": [
-    "at any time"
-  ],
-  "dependencyDashboard": true
+  "dependencyDashboard": true,
+  "lockFileMaintenance": {
+    "enabled": true,
+    "automerge": true,
+    "automergeType": "pr"
+  }
 }