Update dependencies

Author: Marco Pereirinha

composer.json

@@ -8,9 +8,9 @@
   },
   "require-dev": {
     "wp-coding-standards/wpcs": "^2.3",
-    "automattic/vipwpcs": "^2.2",
+    "automattic/vipwpcs": "dev-develop",
     "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
-    "phpcompatibility/phpcompatibility-wp": "^2.1",
+    "phpcompatibility/phpcompatibility-wp": "dev-master",
     "phpcompatibility/php-compatibility": "dev-develop as 9.99.99"
   },
   "config": {