Bump katex from 0.16.3 to 0.16.4 (#1007)

Bump katex from 0.16.3 to 0.16.4 (#1007)

Bumps [katex](https://github.com/KaTeX/KaTeX) from 0.16.3 to 0.16.4.
- [Release notes](https://github.com/KaTeX/KaTeX/releases)
- [Changelog](https://github.com/KaTeX/KaTeX/blob/main/CHANGELOG.md)
- [Commits](https://github.com/KaTeX/KaTeX/compare/v0.16.3...v0.16.4)

---
updated-dependencies:
- dependency-name: katex
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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