Bump symfony/yaml from 6.3.8 to 6.4.0 (#4713)

Bumps [symfony/yaml](https://github.com/symfony/yaml) from 6.3.8 to 6.4.0.
- [Release notes](https://github.com/symfony/yaml/releases)
- [Changelog](https://github.com/symfony/yaml/blob/7.0/CHANGELOG.md)
- [Commits](symfony/yaml@v6.3.8...v6.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>