rats.cli help improvements

[ms-lolo]

this patch makes it so that a short 1 liner is used when outputting help text with sub-commands, and the long form version is used when the help text is rendered for a specific subcommand.

> rats-ci --help     
Usage: rats-ci [OPTIONS] COMMAND1 [ARGS]... [COMMAND2 [ARGS]...]...

  commands used during ci/cd

Options:
  --help  Show this message and exit.

Commands:
  build-image  Build a container image of the component.
  check        Run any configured linting & typing checks for the component.
  config       Show information about the configured command groups for...
  fix          Run any configured auto-formatters for the component.
  install      Install the development environment for the component.
  test         Run any configured tests for the component.

> rats-ci test --help
Usage: rats-ci test [OPTIONS]

  Run any configured tests for the component.

  Refer to [rats.ci.AppConfigs.TEST][] for  details on how to update these
  values.

Options:
  --help  Show this message and exit.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.59%. Comparing base (e9b084e) to head (b0bcf8b).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

Components	Coverage Δ
rats-apps	∅ <ø> (∅)
rats-devtools	∅ <ø> (∅)

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