Update CHANGELOG.md

CHANGELOG.md

@@ -92,6 +92,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - `Contract.Test.Assert`: handle exceptions coming from callbacks that calculate expected values  (in `checkLovelaceDeltaAtAddress`, `checkTokenDeltaAtAddress`, `checkLovelaceDeltaInWallet` and `checkTokenDeltaInWallet`), propagate original error messages correctly ([#1440](https://github.com/Plutonomicon/cardano-transaction-lib/pull/1440))
 - Fixed collateral selection - sort the UTxOs by ADA value in descending order, before selecting them for collateral, to ensure that if a combination that satisfies the requirements is possible, it will be selected. The bug affected CIP-30 wallets. ([#1440](https://github.com/Plutonomicon/cardano-transaction-lib/pull/1440))
 - Output correct reward address in CIP-30 mock ([#1440](https://github.com/Plutonomicon/cardano-transaction-lib/pull/1440))
+- Add a single-slot wait at Plutip startup before attempting to query any wallet UTxOs
 
 ### Removed