Bump vite and vitest in /worker

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) to 5.4.20 and updates ancestor dependency [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest). These dependencies need to be updated together.


Updates `vite` from 4.4.9 to 5.4.20
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v5.4.20/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v5.4.20/packages/vite)

Updates `vitest` from 0.34.4 to 0.34.6
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v0.34.6/packages/vitest)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 5.4.20
  dependency-type: indirect
- dependency-name: vitest
  dependency-version: 0.34.6
  dependency-type: direct:development
...

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Author: dependabot[bot]