Bump katex from 0.13.13 to 0.13.16 (#267)

Bumps [katex](https://github.com/KaTeX/KaTeX) from 0.13.13 to 0.13.16.
- [Release notes](https://github.com/KaTeX/KaTeX/releases)
- [Changelog](https://github.com/KaTeX/KaTeX/blob/master/CHANGELOG.md)
- [Commits](KaTeX/KaTeX@v0.13.13...v0.13.16)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -47,7 +47,7 @@
     "@parcel/transformer-sass": "^2.0.0-beta.2",
     "@types/katex": "^0.11.1",
     "@types/node": "^16.7.1",
-    "katex": "^0.13.13",
+    "katex": "^0.13.16",
     "npm-run-all": "^4.1.5",
     "parcel": "^2.0.0-beta.2",
     "sass": "^1.37.5",