[benchmark] Rust core benchmark

### Search before asking

- [x] I searched in the [issues](https://github.com/apache/fluss-rust/issues) and found nothing similar.

### Motivation

We should have benchmark suites running to track performance of rust core, this will help us verify improvement as well as detect regression.

Benchmark suites can run on a nightly basis.

### Solution

_No response_

### Anything else?

_No response_

### Willingness to contribute

- [ ] I'm willing to submit a PR!