Adapt renovate config

- rangeStrategy set to pin to see the exact version in package.json
- Enable lockFileMaintenance

renovate.json

@@ -1,5 +1,7 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": ["config:recommended"],
-  "labels": ["maintenance 🛠️"]
+  "labels": ["maintenance 🛠️", "dependency 🧱"],
+  "rangeStrategy": "pin",
+  "lockFileMaintenance": { "enabled": true }
 }