Add modifier functions for TxInsCollateral, TxInsReference, TxExtraKe…

[locallycompact]

…yWits to Cardano.Api.Tx.Body

Changelog

- description: |
    Add TxBodyModifier functions: `addTxIns`, `modTxInsCollateral`, `addTxInsCollateral`, `addTxInCollateral`, `modTxInsReference`, `addTxInsReference`, `addTxInReference`, `addTxOuts`, `modTxExtraKeyWits`, `addTxExtraKeyWits`.
# 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

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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

[smelc]

Nice consistent approach, thank you 👍

[smelc]

@locallycompact> you need to sign your commits:

[locallycompact]

@smelc Signed now, thanks.