pip prod(deps): bump grpcio from 1.43.0 to 1.66.2 in /bots/hermes

Bumps [grpcio](https://github.com/grpc/grpc) from 1.43.0 to 1.66.2.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.43.0...v1.66.2)

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

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

bots/hermes/requirements.txt

@@ -11,7 +11,7 @@ google-auth==2.3.3
 google-cloud-core==2.2.1
 google-cloud-datastore==2.1.6
 googleapis-common-protos==1.54.0
-grpcio==1.43.0
+grpcio==1.66.2
 grpcio-status==1.43.0
 idna==3.3
 iniconfig==1.1.1