Bump sabre/vobject from 4.5.3 to 4.5.7 in /services/drupal

Bumps [sabre/vobject](https://github.com/sabre-io/vobject) from 4.5.3 to 4.5.7.
- [Release notes](https://github.com/sabre-io/vobject/releases)
- [Changelog](https://github.com/sabre-io/vobject/blob/4.5.7/CHANGELOG.md)
- [Commits](sabre-io/vobject@4.5.3...4.5.7)

---
updated-dependencies:
- dependency-name: sabre/vobject
  dependency-version: 4.5.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]