chore(deps): Bump @grpc/grpc-js from 1.1.6 to 1.3.1 in /packages/tts-cli
chore(deps): Bump @grpc/grpc-js from 1.1.6 to 1.3.1 in /packages/tts-cli

Bumps [@grpc/grpc-js](https://github.com/grpc/grpc-node) from 1.1.6 to 1.3.1.
- [Release notes](https://github.com/grpc/grpc-node/releases)
- [Commits](https://github.com/grpc/grpc-node/compare/@grpc/grpc-js@1.1.6...@grpc/grpc-js@1.3.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
eheikes/aws-tts