Support Symfony 5 (#324)

Author: jzawadzki

composer.json

@@ -24,8 +24,8 @@
         "sensiolabs/security-checker": "^6.0",
         "slevomat/coding-standard": "^5.0",
         "squizlabs/php_codesniffer": "^3.4",
-        "symfony/console": "^4.2",
-        "symfony/finder": "^4.2"
+        "symfony/console": "^4.2|^5.0",
+        "symfony/finder": "^4.2|^5.0"
     },
     "require-dev": {
         "illuminate/console": "^5.8",
@@ -35,7 +35,7 @@
         "phpstan/phpstan-strict-rules": "^0.11",
         "phpunit/phpunit": "^8.0",
         "roave/no-floaters": "^1.1",
-        "symfony/var-dumper": "^4.2",
+        "symfony/var-dumper": "^4.2|^5.0",
         "symplify/easy-coding-standard": "^6.0",
         "thecodingmachine/phpstan-strict-rules": "^0.11.0"
     },