chore(deps): bump rehype-katex from 6.0.2 to 6.0.3

Bumps [rehype-katex](https://github.com/remarkjs/remark-math) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/remarkjs/remark-math/releases)
- [Commits](https://github.com/remarkjs/remark-math/compare/rehype-katex@6.0.2...rehype-katex@6.0.3)

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

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

package.json

@@ -31,7 +31,7 @@
     "react-markdown": "^8.0.7",
     "react-router-dom": "^6.10.0",
     "rehype-highlight": "^6.0.0",
-    "rehype-katex": "^6.0.2",
+    "rehype-katex": "^6.0.3",
     "remark-breaks": "^3.0.2",
     "remark-gfm": "^3.0.1",
     "remark-math": "^5.1.1",