chore(deps): bump grpcio-tools from 1.68.0 to 1.68.1

Bumps [grpcio-tools](https://github.com/grpc/grpc) from 1.68.0 to 1.68.1.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.68.0...v1.68.1)

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

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

requirements.txt

@@ -1,4 +1,4 @@
 grpc-interceptor==0.15.4
 grpcio==1.68.1
-grpcio-tools==1.68.0
+grpcio-tools==1.68.1
 phonenumbers==8.13.51