[ethereum/go-ethereum] Add AccountRangeAt to debug API (#17438)

See https://github.com/ethereum/go-ethereum/blob/5d30be412b0f9181cb007c8893ee583ee4319116/rpc/types.go#L133 Usage: https://github.com/ethereum/go-ethereum/blob/21c059b67ef4da979db3d66bd021a72112b35419/eth/api_backend.go#L60 `blockNr rpc.BlockNumber`