Bump rehype-katex from 6.0.3 to 7.0.0

Bumps [rehype-katex](https://github.com/remarkjs/remark-math) from 6.0.3 to 7.0.0.
- [Release notes](https://github.com/remarkjs/remark-math/releases)
- [Commits](https://github.com/remarkjs/remark-math/compare/rehype-katex@6.0.3...rehype-katex@7.0.0)

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

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

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
     "reading-time": "1.5.0",
     "rehype-autolink-headings": "^6.1.0",
     "rehype-citation": "^1.0.2",
-    "rehype-katex": "^6.0.3",
+    "rehype-katex": "^7.0.0",
     "rehype-preset-minify": "6.0.0",
     "rehype-prism-plus": "^1.6.0",
     "rehype-slug": "^5.1.0",