Bump PHPStan

Author: malberts

composer.json

@@ -42,7 +42,7 @@
 	"require-dev": {
 		"phpunit/phpunit": "^9.6.8",
 		"vimeo/psalm": "^5.12.0",
-		"phpstan/phpstan": "^1.10.15",
+		"phpstan/phpstan": "^2.0.0",
 		"mediawiki/mediawiki-codesniffer": "^46.0.0",
 		"slevomat/coding-standard": "^v8.11.1"
 	},