📌 Bump katex from 0.15.3 to 0.15.6

Bumps [katex](https://github.com/KaTeX/KaTeX) from 0.15.3 to 0.15.6.
- [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/v0.15.3...v0.15.6)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -32,7 +32,7 @@
     "@tailwindcss/typography": "^0.5.2",
     "chart.js": "^3.7.1",
     "fuse.js": "^6.6.2",
-    "katex": "^0.15.3",
+    "katex": "^0.15.6",
     "mermaid": "^9.1.1",
     "prettier": "^2.6.2",
     "prettier-plugin-go-template": "^0.0.13",