Remove security advisories from required packages

Author: lookyman

composer.json

@@ -12,15 +12,14 @@
   ],
   "require": {
     "php": "^7.0",
-    "symfony/dependency-injection": "^3.2|^4.0",
-    "roave/security-advisories": "dev-master"
+    "symfony/dependency-injection": "^3.2|^4.0"
   },
   "require-dev": {
     "jakub-onderka/php-parallel-lint": "^0.9.2",
-    "lookyman/coding-standard": "^0.0.5",
     "phpstan/phpstan": "^0.9.0",
     "phpunit/phpunit": "^6.4",
-    "phpstan/phpstan-phpunit": "^0.9.0"
+    "phpstan/phpstan-phpunit": "^0.9.0",
+    "lookyman/coding-standard": "^0.0.6"
   },
   "autoload": {
     "psr-4": {