Update polkadot to v0.9.42
delete variable POLKADOT_BUILD_BRANCH from .env in CI
Feature/ci make bench
difftreelog
commits
pallets/evm-migration/srchistorypallets/evm-migration/srchistoryUpdate polkadot to v0.9.42
delete variable POLKADOT_BUILD_BRANCH from .env in CI
Feature/ci make bench