fix: update return type of parse function

[Rich-Harris]

we were missing the LegacyRoot return value on the overload. This fixes it

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[changeset-bot]

🦋 Changeset detected

Latest commit: 405dedf

The changes in this PR will be included in the next version bump.

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[dummdidumm]

It was done that way on purpose to not expose a format that's gone in a future major anyway, and to not put more stuff into the generated d.ts file. What do you need it for?

[Rich-Harris]

Ah. I just noticed that the overload and the implementation didn't match and assumed it was an oversight