chore: use unpdf

[himself65]

move pdfjs back, but use universal build to make sure it can be run under Cloudflare

[changeset-bot]

⚠️ No Changeset found

Latest commit: 23f13bf

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
llama-index-ts-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 16, 2024 11:23pm

[himself65]

I remove node-canvas deps, seems like we don't need this for non-image