Update composer.json

Author: php-cpm

composer.json

@@ -29,9 +29,9 @@
     ]
   },
   "require": {
-    "omnipay/common": "~2.0|~3.0.x-dev"
+    "omnipay/common": "~3.0"
   },
   "require-dev": {
-    "omnipay/tests": "~2.0|~3.0.x-dev"
+    "omnipay/tests": "~3.0"
   }
 }