chore: 暂时屏蔽github.com/libdns/gcore更新

renovate.json

@@ -33,6 +33,7 @@
     "github.com/libdns/libdns",
     "github.com/libdns/cloudflare",
     "github.com/libdns/tencentcloud",
-    "github.com/libdns/duckdns"
+    "github.com/libdns/duckdns",
+    "github.com/libdns/gcore"
   ]
 }