v1.7.0-rc2

What's Changed

• feat: increase size limit of return data to 128k by @magicalne in #811
• feat(config): tx fee rate by @zeroqn in #815
• fix: emit EVM_INTERNAL_ERROR(-1) if polyjuice failed to generate a system log by @jjyr in #810
• fix(psc): don't revert if transaction input is consumed by itself by @sopium in #819
• chore: remove dependency on ansi-term by @sopium in #805
• doc: legacy withdrawal cell by @jjyr in #803

Full Changelog: v1.7.0-rc1...v1.7.0-rc2