Rarible Protocol release notes - 1.59

Updates
[Union] - Provide floor order on union
[Gateway] - Track API usage based on chain
[Union] - Optimise Order event processing
[Union] - Update IMX orders to use v3 API instead of v1
[Ethereum] - Error on handle order activity into erc20-indexer
[Flow] - Hide attributes for Series 5 Redemption Token

Bug fixes
[Union] - Make simplehash supported blockchains configurable via Consul
[Union] - Merge the name & meta.name fields in the collection model