Bump remark-html from 13.0.1 to 13.0.2 in /site

Bumps [remark-html](https://github.com/remarkjs/remark-html) from 13.0.1 to 13.0.2.
- [Release notes](https://github.com/remarkjs/remark-html/releases)
- [Commits](https://github.com/remarkjs/remark-html/compare/13.0.1...13.0.2)

---
updated-dependencies:
- dependency-name: remark-html
  dependency-type: direct:production
...

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

site/package.json

@@ -25,7 +25,7 @@
     "remark": "^13.0.0",
     "remark-footnotes": "^3.0.0",
     "remark-gfm": "^1.0.0",
-    "remark-html": "^13.0.1",
+    "remark-html": "^13.0.2",
     "remark-slug": "^6.1.0",
     "remark-toc": "^7.2.0",
     "tailwindcss": "^2.0.2",