refactor:限定 think-migration 版本号

Author: build-admin

composer.json

@@ -20,7 +20,7 @@
         "topthink/think-orm": "^3.0",
         "topthink/think-multi-app": "^1.0",
         "topthink/think-throttle": "v2.0.0",
-        "topthink/think-migration": "^3.0",
+        "topthink/think-migration": "3.0.6",
         "phpmailer/phpmailer": "^6.8",
         "w7corp/easywechat": "^6.12",
         "voku/anti-xss": "^4.1",