message: Add release notes for 4.45.1 and 4.46.0 releases
diff: # BitGoJS Release Notes
  +## 4.46.0
  +### New Features
  +- Add support for new ERC 20 Tokens (AMON, CRPT, AXPR, GOT, EURS)
  +
  +### Bug Fixes
  +- Use normalized amount field for recovery amounts for UTXO coins
  +
  +## 4.45.1
  +### Bug Fixes
  +- Do not sign replay protection inputs for TBSV
  +
  ## 4.45.0
  ### New Features
  - Add support for recovering BTC segwit unspents
  