build(deps-dev): bump symfony/messenger from 6.4.15 to 6.4.16

Bumps [symfony/messenger](https://github.com/symfony/messenger) from 6.4.15 to 6.4.16.
- [Release notes](https://github.com/symfony/messenger/releases)
- [Changelog](https://github.com/symfony/messenger/blob/7.2/CHANGELOG.md)
- [Commits](symfony/messenger@v6.4.15...v6.4.16)

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

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

Author: dependabot[bot]