dependabot npm(deps): bump @grpc/grpc-js from 1.8.20 to 1.8.21

Bumps @grpc/grpc-js from 1.8.20 to 1.8.21.

Release notes

Sourced from @​grpc/grpc-js's releases.

@​grpc/grpc-js@​1.8.21

• Fix propagation of UNIMPLEMENTED error messages (#2528)

Commits

• 15a3f1a Merge pull request #2528 from murgatroid99/grpc-js_unimplemented_message_fix
• 4e111e7 grpc-js: Fix propagation of UNIMPLEMENTED error messages
• See full diff in compare view