Migrate to PNPM

[stephl3]

✍️ Proposed changes

🎟 Jira ticket: Name of ticket

✅ Checklist

For bug fixes, new features & breaking changes

• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• I have run yarn changeset and documented my changes

For new components

• I have added my new package to the global tsconfig
• I have added my new package to the Table of Contents on the global README
• I have verified the Live Example looks as intended on the design website.

🧪 How to test changes

[changeset-bot]

⚠️ No Changeset found

Latest commit: f5fc4cb

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