chore(deps): bump mermaid and @docusaurus/theme-mermaid in /docs

Bumps [mermaid](https://github.com/mermaid-js/mermaid) to 10.9.3 and updates ancestor dependency [@docusaurus/theme-mermaid](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-theme-mermaid). These dependencies need to be updated together.


Updates `mermaid` from 9.4.3 to 10.9.3
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Changelog](https://github.com/mermaid-js/mermaid/blob/develop/CHANGELOG.md)
- [Commits](mermaid-js/mermaid@v9.4.3...v10.9.3)

Updates `@docusaurus/theme-mermaid` from 2.4.3 to 3.5.2
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.5.2/packages/docusaurus-theme-mermaid)

---
updated-dependencies:
- dependency-name: mermaid
  dependency-type: indirect
- dependency-name: "@docusaurus/theme-mermaid"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>