Bumped minimum versions

Author: GrahamCampbell

vendor-bin/phpstan/composer.json

@@ -2,8 +2,8 @@
     "require": {
         "phpstan/phpstan": "^0.12.25",
         "phpstan/extension-installer": "^1.0.4",
-        "phpstan/phpstan-deprecation-rules": "^0.12.3",
-        "phpstan/phpstan-phpunit": "^0.12.8",
+        "phpstan/phpstan-deprecation-rules": "^0.12.4",
+        "phpstan/phpstan-phpunit": "^0.12.11",
         "phpstan/phpstan-strict-rules": "^0.12.2",
         "thecodingmachine/phpstan-strict-rules": "^0.12.0"
     }