tools(deps-dev): 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@2.50.0...2.51.0)

---
updated-dependencies:
- dependency-name: ergebnis/composer-normalize
  dependency-version: 2.51.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

tools/composer-normalize/composer.json

@@ -6,7 +6,7 @@
         "php": "^8.1.31"
     },
     "require-dev": {
-        "ergebnis/composer-normalize": "2.50.0",
+        "ergebnis/composer-normalize": "2.51.0",
         "roave/security-advisories": "dev-latest"
     },
     "prefer-stable": true,