hermes: Relayer commands don't support help menu for subcommands

Summary of Bug

When running relayer query --help I expect to see the list of subcommands but I just get:

$ relayer query --help
error: unrecognized command `--help`

relayer-cli 0.0.1
Anca Zamfir <anca@interchain.io>, Romain Ruetschi <romain@informal.systems>

FLAGS:
    -c, --config CONFIG       path to configuration file
    -h, --help                print help message
    -v, --verbose             be verbose

Version

v0.0.1

Steps to Reproduce

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