`retryOnError` feature


### Discussed in https://github.com/BetterTyped/hyper-fetch/discussions/105

<div type='discussions-op-text'>

<sup>Originally posted by **Foprta** May 29, 2025</sup>
It would be great to have a callback `retryOnError: (error: Error) => boolean` which can be used to enable/disable retry based on condition. For example, have a status code 404. </div>