Bump symfony/messenger from 7.2.6 to 7.3.0

Bumps [symfony/messenger](https://github.com/symfony/messenger) from 7.2.6 to 7.3.0.
- [Release notes](https://github.com/symfony/messenger/releases)
- [Changelog](https://github.com/symfony/messenger/blob/7.3/CHANGELOG.md)
- [Commits](symfony/messenger@v7.2.6...v7.3.0)

---
updated-dependencies:
- dependency-name: symfony/messenger
  dependency-version: 7.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]