Update mediawiki/mediawiki-codesniffer requirement from 46.0.0 to 48.0.0

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@v46.0.0...v48.0.0)

---
updated-dependencies:
- dependency-name: mediawiki/mediawiki-codesniffer
  dependency-version: 48.0.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

composer.json

@@ -40,7 +40,7 @@
 		"mediawiki/scss": "~5.0"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "46.0.0",
+		"mediawiki/mediawiki-codesniffer": "48.0.0",
 		"mediawiki/mediawiki-phan-config": "0.18.0",
 		"php": ">=8.1"
 	},