Merge pull request #2204 from blukat29/kaia-fork-number-testnet

params: Set Testnet Kaia and Kip160 hardfork config

Merge pull request #2103 from yoomee1313/enhance-error-log

api: enhance missing node error log at stateAtBlock

Merge pull request #2094 from blukat29/version-v1.12.1

Set version v1.12.1

hotfix2

Merge pull request #2061 from hyeonLewis/update-function-name

Merge pull request #2058 from hyunsooda/LP-switch-reverted

Merge pull request #2044 from blukat29/ci-fix-darwin-sed

ci: Platform-independent sed command usage