Merge pull request #738 from Automattic/feature/update-for-1.0-release-of-composer-phpcs-plugin

Author: GaryJones

composer.json

@@ -17,7 +17,7 @@
 	],
 	"require": {
 		"php": ">=5.4",
-		"dealerdirect/phpcodesniffer-composer-installer": "^0.4.1 || ^0.5 || ^0.6.2 || ^0.7",
+		"dealerdirect/phpcodesniffer-composer-installer": "^0.4.1 || ^0.5 || ^0.6.2 || ^0.7 || ^1.0",
 		"sirbrillig/phpcs-variable-analysis": "^2.11.1",
 		"squizlabs/php_codesniffer": "^3.5.5",
 		"wp-coding-standards/wpcs": "^2.3"