phpspec/prophecy dependency

Author: skoro

composer.json

@@ -32,7 +32,8 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
-        "phpstan/phpstan": "^1.3"
+        "phpstan/phpstan": "^1.3",
+        "phpspec/prophecy": "^1.15"
     },
     "autoload-dev": {
         "psr-4": {