chore(deps): bump @next/mdx from 13.4.4 to 13.4.6

Bumps [@next/mdx](https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx) from 13.4.4 to 13.4.6.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v13.4.6/packages/next-mdx)

---
updated-dependencies:
- dependency-name: "@next/mdx"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

sites/shared/package.json

@@ -17,7 +17,7 @@
   "peerDependencies": {},
   "dependencies": {
     "@headlessui/react": "1.7.15",
-    "@next/mdx": "13.4.4",
+    "@next/mdx": "13.4.6",
     "@resvg/resvg-js": "2.4.1",
     "@tailwindcss/typography": "0.5.9",
     "Buffer": "0.0.0",

yarn.lock

@@ -3013,10 +3013,10 @@
   dependencies:
     glob "7.1.7"
 
-"@next/mdx@13.4.4":
-  version "13.4.4"
-  resolved "https://registry.yarnpkg.com/@next/mdx/-/mdx-13.4.4.tgz#84bac297e118733fd9b9644bb5b6c9459cf1c2c9"
-  integrity sha512-MtaZs0i1sE4lYEhOi0Ttha4EWjA3FwOIQSnhmn8jgAho4yjtVfQYjJjVcQ9wJkMxrzmjHeOz1LsDhDp0bO3Z9Q==
+"@next/mdx@13.4.6":
+  version "13.4.6"
+  resolved "https://registry.yarnpkg.com/@next/mdx/-/mdx-13.4.6.tgz#beb1257357373b8652bedebea218cd38f762f3e7"
+  integrity sha512-t00S06jW17dWROGsy4Y/6u+1npaTO5LBjP1a+Fag6uQnpoicG1BmZLv7FtmM9KHGW3GF1gWPpaj4GiaOYzHrYQ==
   dependencies:
     source-map "^0.7.0"