build: Updating mediawiki/mediawiki-codesniffer to 31.0.0

Additional changes:
* Replaced "jakub-onderka" packages with "php-parallel-lint".

Change-Id: I79b2c529a48239bbd99a16d30ce212e1f3d05c74

composer.json

@@ -1,10 +1,10 @@
 {
 	"require-dev": {
-		"jakub-onderka/php-parallel-lint": "1.0.0",
+		"mediawiki/mediawiki-codesniffer": "31.0.0",
-		"mediawiki/mediawiki-codesniffer": "30.0.0",
+		"mediawiki/mediawiki-phan-config": "0.9.1",
-		"jakub-onderka/php-console-highlighter": "0.4.0",
 		"mediawiki/minus-x": "1.0.0",
-		"mediawiki/mediawiki-phan-config": "0.9.1"
+		"php-parallel-lint/php-console-highlighter": "0.4.0",
+		"php-parallel-lint/php-parallel-lint": "1.0.0"
 	},
 	"scripts": {
 		"fix": [