Build(deps): bump ergebnis/composer-normalize in /dev-tools

Bumps [ergebnis/composer-normalize](https://github.com/ergebnis/composer-normalize) from 2.14.0 to 2.15.0.
- [Release notes](https://github.com/ergebnis/composer-normalize/releases)
- [Changelog](https://github.com/ergebnis/composer-normalize/blob/main/CHANGELOG.md)
- [Commits](ergebnis/composer-normalize@2.14.0...2.15.0)

---
updated-dependencies:
- dependency-name: ergebnis/composer-normalize
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

dev-tools/composer.json

@@ -1,7 +1,7 @@
 {
     "require": {
         "php": "^8.0",
-        "ergebnis/composer-normalize": "^2.14.0",
+        "ergebnis/composer-normalize": "^2.15.0",
         "friendsofphp/php-cs-fixer": "^3.0.0",
         "kubawerlos/composer-smaller-lock": "^0.1.1",
         "kubawerlos/php-cs-fixer-config": "^2.0.0",