chore(deps): bump the npm_and_yarn group across 1 directory with 2 up…

…dates

Bumps the npm_and_yarn group with 2 updates in the / directory: [dompurify](https://github.com/cure53/DOMPurify) and [katex](https://github.com/KaTeX/KaTeX).


Updates `dompurify` from 3.2.3 to 3.2.4
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.2.3...3.2.4)

Updates `katex` from 0.16.20 to 0.16.21
- [Release notes](https://github.com/KaTeX/KaTeX/releases)
- [Changelog](https://github.com/KaTeX/KaTeX/blob/main/CHANGELOG.md)
- [Commits](KaTeX/KaTeX@v0.16.20...v0.16.21)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: katex
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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