docs: update docs dependencies (#4326)

* docs: bump react to v19.2.3

* chore(deps): bump @mdx-js/react from 3.1.0 to 3.1.1 in /docs

Bumps [@mdx-js/react](https://github.com/mdx-js/mdx/tree/HEAD/packages/react) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/mdx-js/mdx/releases)
- [Changelog](https://github.com/mdx-js/mdx/blob/main/changelog.md)
- [Commits](https://github.com/mdx-js/mdx/commits/3.1.1/packages/react)

---
updated-dependencies:
- dependency-name: "@mdx-js/react"
  dependency-version: 3.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* docs: bump docusaurus to v3.9.2

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: leafty