Bump symfony/event-dispatcher-contracts from 2.5.3 to 2.5.4

Bumps [symfony/event-dispatcher-contracts](https://github.com/symfony/event-dispatcher-contracts) from 2.5.3 to 2.5.4.
- [Release notes](https://github.com/symfony/event-dispatcher-contracts/releases)
- [Changelog](https://github.com/symfony/event-dispatcher-contracts/blob/main/CHANGELOG.md)
- [Commits](symfony/event-dispatcher-contracts@v2.5.3...v2.5.4)

---
updated-dependencies:
- dependency-name: symfony/event-dispatcher-contracts
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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