[+]: use "voku/arrayy" for the "Interpreter"-Results + tests v2

-> removed one more dependency in v5.5.0

Author: voku

composer.json

@@ -33,7 +33,7 @@
         "php": ">=7.0.0",
         "ext-simplexml": "*",
         "ext-json": "*",
-        "voku/arrayy": "5.4.*"
+        "voku/arrayy": "5.5.*"
     },
     "require-dev": {
         "phpunit/phpunit": "~6.0",