Handle OperationRequestType parameter type (v16)

## Context
During `photon-parser` v16 development, this type was not implemented as it was never reached by Albion Online traffic.

## Type
| Name | Description |
|---|---|
| `OperationRequestType` | Operation request message |

## Tasks
- [ ] Identify wire format for `OperationRequestType`
- [ ] Implement decoding
- [ ] Add test case

## Labels
`photon-parser` `v16` `parameter-type` `todo`