New output format flag for some commands

[newhoggy]

Changelog

- description: |
    New --output-json and --output-yaml flags for the following commands:
    * conway query committee-state
    * conway query constitution
    * conway query drep-stake-distribution
    * conway query drep-state
    * conway query future-pparams
    * conway query gov-state
    * conway query proposals
    * conway query ratify-state
    * latest query committee-state
    * latest query constitution
    * latest query drep-stake-distribution
    * latest query drep-state
    * latest query future-pparams
    * latest query gov-state
    * latest query proposals
    * latest query ratify-state
# uncomment types applicable to the change:
  type:
  # - feature        # introduces a new feature
  - breaking       # the API has changed in a breaking way
  # compatible     # the API has changed but is non-breaking
  # - optimisation   # measurable performance improvements
  # - refactoring    # QoL changes
  # - bugfix         # fixes a defect
  # - test           # fixes/modifies tests
  # - maintenance    # not directly related to the code
  # - release        # related to a new release preparation
  # - documentation  # change in code docs, haddocks...

Context

Additional context for the PR goes here. If the PR fixes a particular issue please provide a link to the issue.

How to trust this PR

Highlight important bits of the PR that will make the review faster. If there are commands the reviewer can run to observe the new behavior, describe them.

Checklist

• Commit sequence broadly makes sense and commits have useful messages
• New tests are added if needed and existing tests are updated. See Running tests for more details
• Self-reviewed the diff

[Jimbo4350]

Why the unused argument?

Edit: #1188 (comment)