fix: remove graceful-fs and use direct imports

[erickzhao]

Closes #227

Uses node:fs directly instead of routing graceful-fs through util.promisify.

• Works around the issue where import * as fs from 'graceful-fs' would make the fs syntax look like fs.default.fn() instead of fs.fn().
• graceful-fs doesn't patch fs.rm nor fs.mkdtemp, so it's safe to remove the package altogether and preserve previous behaviour.
• Adds a small unit test for the withTempDir helper, although I think vitest magic makes it so that the test passes even with the faulty runtime import.

cc @ckerr @erikian

[VerteDinde]

Read through the linked PR, changes look good 👍

[ckerr]

Isn't this what I did four hours ago at #228 😸

I closed that because @erikian said @electron/wg-ecosystem wants to use around using graceful-fs instead of Node's built-in fs when migrating to Node 22...?

[ckerr]

This PR has better tests than #228 did 👍

[erickzhao]

@ckerr Yeah, I think I wasn't very judicious in the original #222 PR and did blanket replacements for graceful-fs for the original Node 22 migration.

Reading through the code when investigating the bug led me to find that we aren't using any functions that graceful-fs patches anyways, so removing the dep is perfectly fine. 🙇

[continuous-auth]

🎉 This PR is included in version 3.0.1 🎉

The release is available on:

• npm package (@latest dist-tag)
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