Bump grpcio from 1.65.5 to 1.66.1

Bumps [grpcio](https://github.com/grpc/grpc) from 1.65.5 to 1.66.1.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.65.5...v1.66.1)

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

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

requirements.txt

@@ -151,7 +151,7 @@ googleapis-common-protos==1.63.2
     #   grpcio-status
 graphviz==0.20.3
     # via -r requirements.in
-grpcio==1.65.5
+grpcio==1.66.1
     # via
     #   google-api-core
     #   grpcio-status