[BUG CLIENT]: Drop jsonpath_python from setup requirements dependencies

### Python -VV

```shell
3.12.8
```

### Pip Freeze

```shell
N/A
```

### Reproduction Steps

`jsonpath_python` is not used anywhere in `mistralai` and yet it's still a required dependency. 

It's also old and unmaintained.

Let me know if I've missed something.

### Expected Behavior

N/A

### Additional Context

_No response_

### Suggested Solutions

_No response_