Update composer.json

Author: CJayHe

composer.json

@@ -22,8 +22,8 @@
         }
     },
     "require": {
-        "symfony/framework-bundle": ">=4.4",
-        "doctrine/doctrine-bundle": ">=2.3",
+        "symfony/framework-bundle": ">=4.5",
+        "doctrine/doctrine-bundle": ">=2.5",
         "doctrine/annotations": ">=1.0",
         "zanysoft/laravel-zip": "^1.0",
         "doctrine/orm": ">=2.8"