Update dependencies

Author: swissspidy

composer.json

@@ -18,6 +18,7 @@
   "require-dev": {
     "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
     "phpcompatibility/phpcompatibility-wp": "^2.0",
+	"roave/security-advisories": "dev-latest",
     "wp-coding-standards/wpcs": "^2.1",
     "yoast/phpunit-polyfills": "^1.0.0"
   },