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## Motivation

op batcher prints error
`ERROR[12-17|18:17:23.568] Result of SetMaxDASize was false, retrying.`

command for op-bathcer
```shell
op-batcher \
  --l2-eth-rpc=http://localhost:8545 \
  --rollup-rpc=http://localhost:9545 \
  --poll-interval=1s \
  --sub-safety-margin=6 \
  --num-confirmations=1 \
  --safe-abort-nonce-too-low-count=3 \
  --resubmission-timeout=30s \
  --rpc.addr=0.0.0.0 \
  --rpc.port=8548 \
  --rpc.enable-admin \
  --max-channel-duration=25 \
  --l1-eth-rpc=$L1_RPC_URL \
  --private-key=$GS_BATCHER_PRIVATE_KEY
```

golang implementation of optimism's op-geth [returns
bool](https://github.com/ethereum-optimism/op-geth/blob/optimism/eth/api_miner.go#L62)
type for `miner_setMaxDASize` call. Therefore, expected response might
be like following:

```json
{
  "jsonrpc": "2.0",
  "id": 0,
  "result": true
}
```

On the other hand, current trait [returns
`()`](https://github.com/alloy-rs/op-alloy/blob/main/crates/rpc-jsonrpsee/src/traits.rs#L146),
represents null for json.

```rust
pub trait MinerApiExt {
    /// Sets the maximum data availability size of any tx allowed in a block, and the total max l1
    /// data size of the block. 0 means no maximum.
    #[method(name = "setMaxDASize")]
    async fn set_max_da_size(&self, max_tx_size: U64, max_block_size: U64) -> RpcResult<()>; // should return bool
}
```

```json
{
  "jsonrpc": "2.0",
  "id": 0,
  "result": null
}
```

ref: #325, #345

## Solution

alter `()` to `bool` for return type

```rust
async fn set_max_da_size(&self, max_tx_size: U64, max_block_size: U64) -> RpcResult<bool>;
```

## PR Checklist

- [ ] Added Tests
- [ ] Added Documentation
- [x] Breaking changes