Updated dependencies for the Cardano Node 8.12 release

[Unisay]

Changelog

- description: |
   - Updated dependencies:
     - `cardano-ledger`
     - `ouroboros-consensus`
     - `ouroboros-network` 
     - `plutus` 
    - Replaced `Cardano.Api.Fees.TransactionValidityError.TransactionValidityTranslationError` with `Cardano.Api.Fees.ScriptExecutionError.ScriptErrorTranslationError` 
    - Concretized `toShelleyMultiSig` and `fromShelleyMultiSig` to `ShelleyEra`.
# 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

As a part of the Cardano Node 8.12 release this PR updates upstream dependencies:

• Plutus
• Ouroboros Network
• Cardano Consensus
• Cardano Ledger
  ... and contains necessary changes for updated versions to build together.