Better Exception Handling in API functions

[philipc2]

Proposed new feature or change:

We should avoid using these general try/catch blocks and instead keep the original exception. Applies to open_grid, open_dataset, and open_mfdataset

https://github.com/UXARRAY/uxarray/blob/27f7967732087792545d3952bb87b28f08279d33/uxarray/core/api.py#L79-L89