update deps

Author: alexpts

composer.json

@@ -16,18 +16,17 @@
     "minimum-stability": "stable",
     "require": {
         "php": "~7.2",
-        "symfony/dependency-injection": "^4.0",
-        "symfony/yaml": "^4.0",
-        "symfony/config": "^4.0"
+        "symfony/dependency-injection": "^4.1",
+        "symfony/yaml": "^4.1",
+        "symfony/config": "^4.1"
     },
     "autoload": {
         "psr-0": {
             "PTS\\SymfonyDiLoader": "src"
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0",
-        "codeclimate/php-test-reporter": "^0.4.4",
+        "phpunit/phpunit": "^7.4",
         "mikey179/vfsStream": "^1.6"
     }
 }