refactor(carousel): use vanilla extract

[matthprost]

Summary

Type

• Refactor

Summarise concisely:

Refactor carousel to use vanilla extract

[changeset-bot]

🦋 Changeset detected

Latest commit: 360b36d

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

This PR includes changesets to release 4 packages

Name	Type
@ultraviolet/ui	Minor
@ultraviolet/form	Major
@ultraviolet/nextjs	Major
@ultraviolet/plus	Major

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.86%. Comparing base (107fe0e) to head (360b36d).
⚠️ Report is 156 commits behind head on beta.

Additional details and impacted files

@@            Coverage Diff             @@
##             beta    #5664      +/-   ##
==========================================
- Coverage   92.17%   91.86%   -0.31%     
==========================================
  Files         289      309      +20     
  Lines        7615     7293     -322     
  Branches     3149     2991     -158     
==========================================
- Hits         7019     6700     -319     
+ Misses        596      593       -3     

Files with missing lines	Coverage Δ
packages/ui/src/components/Carousel/index.tsx	48.88% <100.00%> (-9.01%)	⬇️
packages/ui/src/components/Carousel/styles.css.ts	100.00% <100.00%> (ø)

... and 56 files with indirect coverage changes

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