composer: update ergebnis/composer-normalize requirement

Updates the requirements on [ergebnis/composer-normalize](https://github.com/ergebnis/composer-normalize) to permit the latest version.
- [Release notes](https://github.com/ergebnis/composer-normalize/releases)
- [Changelog](https://github.com/ergebnis/composer-normalize/blob/main/CHANGELOG.md)
- [Commits](ergebnis/composer-normalize@2.48.0...2.50.0)

---
updated-dependencies:
- dependency-name: ergebnis/composer-normalize
  dependency-version: 2.50.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -29,7 +29,7 @@
     "phpunit/phpunit": "*",
     "phpstan/phpstan": "*",
     "friendsofphp/php-cs-fixer": "^3.89",
-    "ergebnis/composer-normalize": "^2.48",
+    "ergebnis/composer-normalize": "^2.50",
     "ergebnis/php-cs-fixer-config": "^6.56"
   },
   "config": {