chore(deps): bump @docsearch/js from 3.8.2 to 4.5.4

Bumps [@docsearch/js](https://github.com/algolia/docsearch/tree/HEAD/packages/docsearch-js) from 3.8.2 to 4.5.4.
- [Release notes](https://github.com/algolia/docsearch/releases)
- [Changelog](https://github.com/algolia/docsearch/blob/main/CHANGELOG.md)
- [Commits](https://github.com/algolia/docsearch/commits/v4.5.4/packages/docsearch-js)

---
updated-dependencies:
- dependency-name: "@docsearch/js"
  dependency-version: 4.5.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]