[feat] Support accepting `AbortSignal` via the Next.js plugin hooks

[aboqasem]

Product

BAML

Problem Statement / Use Case

I want to be able to cancel requests.

Proposed Solution

import { useWriteMeAStory } from "@/baml_client/react/hooks";

const hook = useWriteMeAStory({
  signal: AbortSignal.timeout(5000),
});

// or
hook.mutate(..., { signal: AbortSignal.timeout(5000) });

Alternative Solutions

No response

Additional Context

No response

[linear]

BAML-565

[sxlijin]

Thanks for filing! We'll try to take a look at this soon.