Unnecessary `any` type in `@formatjs/fast-memoize`

[SimpleCreations]

Hey 👋 First of all, I know that the @formatjs/fast-memoize fork is for internal use. But it's I found it quite convenient to use in userland, because it saves a few KBs of bundle size on installing a 2nd copy of fast-memoize.

Which package?

@formatjs/fast-memoize

Describe the bug

This line: https://github.com/formatjs/formatjs/blob/783243afe8e45c31fca6a1b227466b5b24424854/packages/fast-memoize/index.ts#L40

adds unnecessary (arg: any) => any to the return type. This makes the memoize functional unusable in a strictly type checked environment (e.g. where @typescript-eslint.io/no-unsafe-return is applied).

To Reproduce

Codesandbox URL

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Reproducible Steps/Repo

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Expected behavior

(arg: any) => any is not present in the return type of memoize

Screenshots

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Additional context

[github-actions[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[SimpleCreations]

I'll look into opening a PR