useFetch, useCachedPromise: Fix crash when passing an argument of type URLSearchParams as an option

[sxn]

Repro:

import { List } from "@raycast/api";
import { useFetch } from "@raycast/utils";

const body = new URLSearchParams("PckStatus=Transito");

export default function Command() {
  const { isLoading, data } = useFetch("https://web.sendit.com.py/mi_cuenta/get_packages_micuenta", {
    method: "POST",
    body,
    headers: { "Content-Type": "application/x-www-form-urlencoded" },
    parseResponse: (response) => response.json() as Promise<Response>,
  });

  return <List></List>
}

After a little digging, it seems hash doesn't support URLSearchParams, so it throws an exception, crashing the command.

This PR wraps objectHash, adding a custom replacer that stringifies args of type URLSearchParams.