Annotation of positional arguments *args in dask.distributed.Client.submit API (2024.1.1)

**Describe the issue**:
The current annotation of *args in ```dask.distributed.Client.submit``` API (version 2024.1.1) is ```tuple```. While args by itself is indeed a tuple, IIUC, such annotation would usually mean each element obtained from unpacking this list of positional arugments should be exactly a tuple.


```python
python>=3.10
```
