Rarible Protocol release notes - 1.55

Updates
[Union] - Split old Artblocks collection into single collections
[Ethereum] - Move config json from github to backend
[Olap] - Use multi host configuration for jdbc driver
[Union] - Support SH Kafka
[Ethereum] - Improve Ethereum starter configuration to use cluster of nodes for MonoEthereum/ EthPubSub
[MP] - Integrate a new union/ethereum/currency openapi with Mantle