Release cardano-cli-9.0.0.0

[CarlosLopezDeLara]

• Add --hot-script-hash option to committee create-hot-key-authorization-certificate subcommand
  (breaking)
  PR 806

• Move "conway governance hash" commands to "hash". Users should adapt their calls as follows:

  cardano-cli conway governance hash anchor-data ... becomes cardano-cli hash anchor-data ...
cardano-cli conway governance hash script ... becomes cardano-cli hash script ...
  (breaking)
  PR 787

Changelog

- description: |
    Release cardano-cli-9.0.0.0
# 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

For cardano-node 9.0

How to trust this PR

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Checklist

• Commit sequence broadly makes sense and commits have useful messages
• Self-reviewed the diff