Update dependency squizlabs/php_codesniffer to v4

Author: renovate[bot]

composer.json

@@ -2,7 +2,7 @@
 	"require-dev": {
 		"dealerdirect/phpcodesniffer-composer-installer": "^1.1.2",
 		"slevomat/coding-standard": "^8.22.0",
-		"squizlabs/php_codesniffer": "^3.13.4"
+		"squizlabs/php_codesniffer": "^4.0.0"
 	},
 	"config": {
 		"allow-plugins": {