Chainstack updates: July 7, 2022

Protocols.
- Harmony migrated from testnet to devnet for better experience.
- Tezos migrated from Hangzhounet to Ithacanet.
Pricing. An update to the pricing plans with new features and increased included requests. See the blog post with an overview.
Node naming. Shared nodes are now elastic nodes to reflect the underlying architecture and scalable infrastructure.
APIs.
- Fast transaction propagation with the Warp transactions feature on Ethereum, Polygon, and BNB Smart Chain.
- Miner Extractable Value (MEV) API for elastic Ethereum nodes for mainnet and Goerli testnet.
- Debug and trace APIs for elastic Ethereum archive nodes.