Add rejects to uvu/asset

[ai]

What do you think about adding very popular matcher to uvu/asset? Like throws, but for async function.

rejects(() => asyncFn(), 'Some error')

Or we can add async support to throws when cb returns Promise.

throws(async () => asyncFn(), 'Some error')

[lukeed]

Duplicate of #131 and implemented in #132 🎉
It's going to be part of the next minor release :)

[Heartnett]

Duplicate of #131 and implemented in #132 🎉 It's going to be part of the next minor release :)

Waiting for this feature to be released...