Changed renovate configuration for better maintainability

renovate.json

@@ -3,5 +3,15 @@
   "extends": [
     "config:base",
     "local>fit-connect/renovate/renovate-config"
-  ]
-}
+  ],
+  "schedule": ["every weekend"],
+  "packageRules": [
+    {
+      "updateTypes": ["minor", "patch", "pin", "digest"],
+      "groupName": "all dependencies",
+      "groupSlug": "all"
+    }
+  ],
+  "prHourlyLimit": 0,
+  "prConcurrentLimit": 0
+}
\ No newline at end of file