The dependency should be spring-ai-redis-store-spring-boot-starter instead of spring-ai-transformers-spring-boot-starter for Redis vector store

Thank you for taking time to contribute this pull request! You might have already read the [contributor guide][1], but as a reminder, please make sure to:

  • Sign the contributor license agreement
  • Rebase your changes on the latest main branch and squash your commits
  • Add/Update unit tests as needed
  • Run a build and make sure all tests pass prior to submission