fix(website): only bundle what we use for shiki

[thejackshelton]

What is it?

• [ ] Feature / enhancement
• [ ] Bug
• [ ] Docs / tests
• [ ] Other

Why is it needed?

Checklist:

• [ ] My code follows the developer guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have ran pnpm change and documented my changes
• [ ] I have add necessary docs (if needed)
• [ ] Added new tests to cover the fix / functionality

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: d384806ff0c5aeb06857b63287df368b10e9a7b6

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