v1.8.0-beta.0

What's Changed

• Support for cross-chain bridge proposal
• New AMM API signature changes
• feat: poetry script for easier test case running by @connorjchen in #445
• docs: add xrpl.js code snippets over to xrpl-py by @connorjchen in #443
• feat: Shorten ledger close time from 4 to 1 by @connorjchen in #454
• ci: cache poetry by @mvadari in #456
• docs: Explain how to add integration tests by @connorjchen in #450
• test: Change testnet to standalone to increase speed on integration tests by @connorjchen in #449
• fix: adjust check_fee logic to be more reasonable by @mvadari in #458
• feat: Add nft devnet, and hooks v2 testnet wallet inferencing by @connorjchen in #455
• feat: add amm devnet support for wallet inferencing by @connorjchen in #466

Full Changelog: v1.7.0-beta.1...v1.8.0-beta.0