ci(renovate): adjust schedule

.renovaterc.json

@@ -6,9 +6,18 @@
   "dependencyDashboard": true,
   "extends": ["config:base"],
   "labels": ["deps"],
+  "packageRules": [
+    {
+      "addLabels": ["pre-commit"],
+      "description": "Group all pre-commit updates together in one PR",
+      "groupName": "pre-commit hooks",
+      "matchManagers": ["pre-commit"]
+    }
+  ],
   "platformAutomerge": true,
   "pre-commit": {
     "enabled": true
   },
+  "schedule": ["every 1 months on the first day of the month"],
   "semanticCommits": "enabled"
 }