Update mediawiki/mediawiki-codesniffer requirement from 42.0.0 to 43.…

…0.0 (#19)

* Update mediawiki/mediawiki-codesniffer requirement from 42.0.0 to 43.0.0

Updates the requirements on [mediawiki/mediawiki-codesniffer](https://github.com/wikimedia/mediawiki-tools-codesniffer) to permit the latest version.
- [Changelog](https://github.com/wikimedia/mediawiki-tools-codesniffer/blob/master/HISTORY.md)
- [Commits](wikimedia/mediawiki-tools-codesniffer@v42.0.0...v43.0.0)

---
updated-dependencies:
- dependency-name: mediawiki/mediawiki-codesniffer
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

* Add allow-plugins

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: CosmicAlpha <[email protected]>

composer.json

@@ -3,7 +3,7 @@
 	"description": "",
 	"license": "LGPL-3.0-only",
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "42.0.0",
+		"mediawiki/mediawiki-codesniffer": "43.0.0",
 		"mediawiki/mediawiki-phan-config": "0.14.0",
 		"mediawiki/minus-x": "1.1.1",
 		"php-parallel-lint/php-console-highlighter": "1.0.0",
@@ -21,5 +21,12 @@
 		],
 		"phan": "phan -d . --long-progress-bar",
 		"phpcs": "phpcs -sp --cache"
+	},
+	"config": {
+		"prepend-autoloader": false,
+		"optimize-autoloader": true,
+		"allow-plugins": {
+			"dealerdirect/phpcodesniffer-composer-installer": true
+		}
 	}
 }