chore(deps): updates Composer dependencies

Updates composer/installers

BREAKING CHANGE: Updates composer/installers dependency from 1.x to 2.x

Author: Genyus

composer.json

@@ -19,7 +19,7 @@
 	},
 	"type": "wordpress-muplugin",
 	"require": {
-		"composer/installers": "~1.0"
+		"composer/installers": "^2.0"
 	 },
 	 "require-dev": {
 	   "squizlabs/php_codesniffer": "3.*",
@@ -31,5 +31,11 @@
 	 "scripts": {
 	   "cs": "phpcs --standard=.phpcs.xml .",
 	   "cbf": "phpcbf --standard=.phpcs.xml ."
-	 }
+	 },
+	"config": {
+		"allow-plugins": {
+			"composer/installers": true,
+			"dealerdirect/phpcodesniffer-composer-installer": true
+		}
+	}
 }