Bump katex from 0.16.8 to 0.16.9

Bumps [katex](https://github.com/KaTeX/KaTeX) from 0.16.8 to 0.16.9.
- [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/v0.16.8...v0.16.9)

---
updated-dependencies:
- dependency-name: katex
  dependency-type: direct:development
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -8711,13 +8711,13 @@ __metadata:
   linkType: hard
 
 "katex@npm:^0.16.0":
-  version: 0.16.8
-  resolution: "katex@npm:0.16.8"
+  version: 0.16.9
+  resolution: "katex@npm:0.16.9"
   dependencies:
     commander: ^8.3.0
   bin:
     katex: cli.js
-  checksum: 4e75b4786101cc5eca0404bb814b2985bec506846f9015e9bf00207a3af14215e341ee62b6e7af2455a1032f8244e47a754642f250eea43d7b8007146ac01fae
+  checksum: 861194dfd4d86505e657f688fb73048d46ac498edafce71199502a35b03c0ecc35ba930c631be79c4a09d90a0d23476673cd52f6bc367c7a161854d64005fa95
   languageName: node
   linkType: hard