chore(renovate): auto-merge all updates after 3 days

Update Renovate configuration to automatically merge all dependency
updates after a 3-day stabilization period using minimumReleaseAge.

Author: claude

renovate.json

@@ -5,12 +5,9 @@
   ],
   "packageRules": [
     {
-      "matchUpdateTypes": [
-        "minor",
-        "patch"
-      ],
-      "matchCurrentVersion": "!/^0/",
-      "automerge": true
+      "matchPackagePatterns": ["*"],
+      "automerge": true,
+      "minimumReleaseAge": "3 days"
     }
   ],
   "customManagers": [