composer(deps-dev): bump composer/semver from 3.4.2 to 3.4.3

Bumps [composer/semver](https://github.com/composer/semver) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/composer/semver/releases)
- [Changelog](https://github.com/composer/semver/blob/main/CHANGELOG.md)
- [Commits](composer/semver@3.4.2...3.4.3)

---
updated-dependencies:
- dependency-name: composer/semver
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

composer.json

@@ -30,7 +30,7 @@
     "justinrainbow/json-schema": "^5.2.12"
   },
   "require-dev": {
-    "composer/semver": "^3.4.2",
+    "composer/semver": "^3.4.3",
     "ergebnis/data-provider": "^3.2.0",
     "ergebnis/license": "^2.4.0",
     "ergebnis/php-cs-fixer-config": "^6.36.0",