chore(deps): bump katex from 0.16.10 to 0.16.21 (#32876)

Bumps [katex](https://github.com/KaTeX/KaTeX) from 0.16.10 to 0.16.21.
- [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/v0.16.10...v0.16.21)

---
updated-dependencies:
- dependency-name: katex
  dependency-type: direct:production
...

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apps/docs/package.json

@@ -60,7 +60,7 @@
     "isbot": "^5.1.2",
     "js-yaml": "^3.14.1",
     "jsrsasign": "^11.0.0",
-    "katex": "^0.16.10",
+    "katex": "^0.16.21",
     "libpg-query": "15.2.0",
     "lodash": "^4.17.21",
     "lucide-react": "*",