rpc: add limit for batch request items and response size#268

mmsqe wants to merge 2 commits intocrypto-org-chain:release/v0.20.x-cronoscrypto-org-chain/ethermint:release/v0.20.x-cronosfrom

mmsqe:release/v0.20.x-cronos-batch-limitmmsqe/ethermint:release/v0.20.x-cronos-batch-limitCopy head branch name to clipboard