chore(deps): Bump grpcio from 1.65.1 to 1.65.4 in /backend/python/openvoice (#3137)

chore(deps): Bump grpcio in /backend/python/openvoice

Bumps [grpcio](https://github.com/grpc/grpc) from 1.65.1 to 1.65.4.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](https://github.com/grpc/grpc/compare/v1.65.1...v1.65.4)

---
updated-dependencies:
- dependency-name: grpcio
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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