v0.53.1

Contributed:

• Ability to Reject an authentication request instead of ignoring it (#1453) (Thanks to https://github.com/Tbaut)

Changes:

• Upgrade polkadot-js deps (#1462)
  • This contains breaking changes in the API that was released in 13.0.1. The release changed the way AssetId is returned from toPayload in the Signer interface. Option<TAssetConversion> is now returned as a SCALE encoded hex.