build: Updating mediawiki/mediawiki-codesniffer to 47.0.0

Change-Id: Ibda5c43fc2480cf3851f4021564c9f721cfc6255

Author: libraryupgrader

composer.json

@@ -27,7 +27,7 @@
 		"wikimedia/scoped-callback": "3.0.0 || 4.0.0 || 5.0.0"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "46.0.0",
+		"mediawiki/mediawiki-codesniffer": "47.0.0",
 		"mediawiki/mediawiki-phan-config": "0.15.1",
 		"mediawiki/minus-x": "1.1.3",
 		"php-parallel-lint/php-console-highlighter": "1.0.0",