Bump @docusaurus/preset-classic from 2.2.0 to 3.9.2

Bumps [@docusaurus/preset-classic](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-preset-classic) from 2.2.0 to 3.9.2.
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG-v2.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.9.2/packages/docusaurus-preset-classic)

---
updated-dependencies:
- dependency-name: "@docusaurus/preset-classic"
  dependency-version: 3.9.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]