build(deps): bump google-cloud-texttospeech from 1.5.1 to 1.5.2
build(deps): bump google-cloud-texttospeech from 1.5.1 to 1.5.2

Bumps [google-cloud-texttospeech](https://github.com/googleapis/java-texttospeech) from 1.5.1 to 1.5.2.
- [Release notes](https://github.com/googleapis/java-texttospeech/releases)
- [Changelog](https://github.com/googleapis/java-texttospeech/blob/master/CHANGELOG.md)
- [Commits](https://github.com/googleapis/java-texttospeech/compare/v1.5.1...v1.5.2)

---
updated-dependencies:
- dependency-name: com.google.cloud:google-cloud-texttospeech
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
elimu-ai/webapp,literacyapp-org/literacyapp-web,literacyapp-org/literacyapp-web,literacyapp-org/literacyapp-web,literacyapp-org/literacyapp-web,elimu-ai/webapp,elimu-ai/webapp,elimu-ai/webapp