Bump grpcio from 1.56.2 to 1.57.0 in /test (#479)

Bumps [grpcio](https://github.com/grpc/grpc) from 1.56.2 to 1.57.0.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.56.2...v1.57.0)

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

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

test/requirements.ci.txt

@@ -1,5 +1,5 @@
 docker==6.1.3
-grpcio==1.56.2
+grpcio==1.57.0
 protobuf==4.24.0
 requests==2.31.0
 urllib3==2.0.4