Fixed dependencies for using with Laravel LTS v8. Issue #4.

Author: corpsee

composer.json

@@ -39,14 +39,14 @@
         "ext-json":         "*",
         "ext-ctype":        "*",
         "nikic/php-parser": "^4.12",
-        "symfony/console":  "^4.4"
+        "symfony/console":  "^4.4|^5.0"
     },
     "require-dev": {
         "phpunit/phpunit":                 "^7.5",
         "phpmd/phpmd":                     "^2.10",
-        "sebastian/phpcpd":                "^4.1",
+        "sebastian/phpcpd":                "^5.0",
         "squizlabs/php_codesniffer":       "^3.6",
-        "phploc/phploc":                   "^4.0",
+        "phploc/phploc":                   "^2.0",
         "jakub-onderka/php-parallel-lint": "^1.0"
     },
     "bin": [