Allowed higher versions of Mockery to fix dependency issue for tests.

Author: kkomelin

composer.json

@@ -34,6 +34,6 @@
   "minimum-stability": "stable",
   "require-dev": {
     "orchestra/testbench": "~3.0|^4.0|^5.0",
-    "mockery/mockery": "^1.0"
+    "mockery/mockery": "^1"
   }
 }