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:production
  update-type: version-update:semver-patch
...

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

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=8.1",
         "ext-json": ">=8.1",
-        "composer/semver": "3.4.2",
+        "composer/semver": "3.4.3",
         "guzzlehttp/guzzle": "7.9.2",
         "vanilla/garden-cli": "v4.0",
         "wp-cli/php-cli-tools": "v0.12.0"