Bump unjs ecosystem

[lishaduck]

Overview

Following https://antfu.me/posts/move-on-to-esm-only, the unjs ecosystem is now ESM only.
This means that we need to extend our range of supported package versions.

Notably, I didn't upgrade ohash, because v2 removes murmur in favor of digest. (Which is ironic, because that's why I started this PR).

Other notes:

• We're already ESM-only.
• chore: Upgrade to [email protected] #1501 will also help with this, as buildc is also pulling in old unjs versions (but only internally, of course).
• There are other outdated deps, but I only did unjs because they were partially updated in chore(deps): Upgrade to Vite 6 and related dependencies #1496.
• unjs now offers an alternative to import-meta-resolve called exsolve. I'd leave that for another PR.

Manual Testing

Shouldn't be needed, these are all just ESM-only migrations.

Related Issue

None

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[lishaduck]

Shouldn't be needed, these are all just ESM-only migrations.

I take that back, nypm now supports Deno, and the way we're using nypm makes that a breaking change.
I gave a shot at updating, but Deno's so different I don't know how we want to handle it.