chore:新增腾讯镜像

composer.json

@@ -69,6 +69,12 @@
             "pestphp/pest-plugin": true
         }
     },
+    "repositories": {
+        "packagist": {
+            "type": "composer",
+            "url": "https://mirrors.tencent.com/composer/"
+        }
+    },
     "minimum-stability": "dev",
     "prefer-stable": true
 }