Use stable ^3.0 for php-mock-integration

Author: michalbundyra

composer.json

@@ -20,7 +20,7 @@
     "require": {
         "php": ">=7",
         "phpunit/phpunit": "^6 || ^7 || ^8 || ^9 || ^10.0.17 || ^11 || ^12",
-        "php-mock/php-mock-integration": "^3.0.0-beta1"
+        "php-mock/php-mock-integration": "^3.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.3.6"