Bumps [katex](https://github.com/Khan/KaTeX) from 0.7.1 to 0.10.0.
- [Release notes](https://github.com/Khan/KaTeX/releases)
- [Changelog](https://github.com/KaTeX/KaTeX/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Khan/KaTeX/compare/v0.7.1...v0.10.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>