Update composer.json

Author: Endy-c

composer.json

@@ -16,7 +16,7 @@
   ],
   "require": {
     "illuminate/container": "^9.0|^10.0",
-    "w7corp/easywechat": "^6.12.3"
+    "w7corp/easywechat": "6.12.3"
   },
   "require-dev": {
     "laravel/framework": "^10.0",