chore(deps): bump @next/mdx from 13.4.19 to 13.5.4

Bumps [@next/mdx](https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx) from 13.4.19 to 13.5.4.
- [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/v13.5.4/packages/next-mdx)

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

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

sites/shared/package.json

@@ -17,7 +17,7 @@
   "peerDependencies": {},
   "dependencies": {
     "@headlessui/react": "1.7.17",
-    "@next/mdx": "13.4.19",
+    "@next/mdx": "13.5.4",
     "@resvg/resvg-js": "2.4.1",
     "@tailwindcss/typography": "0.5.9",
     "Buffer": "0.0.0",

yarn.lock

@@ -1628,10 +1628,10 @@
   dependencies:
     glob "7.1.7"
 
-"@next/mdx@13.4.19":
-  version "13.4.19"
-  resolved "https://registry.yarnpkg.com/@next/mdx/-/mdx-13.4.19.tgz#6c7c0c2cdd14fc728afa3336805bc8c8428d2b31"
-  integrity sha512-EaWA30YxAqFcyQYNxCoL9/TCcZP1Nk6pvW0vf1M54qDAkAGiloWQqyttVKVbRz+qOYk92he6mBB4ej/7pmEinQ==
+"@next/mdx@13.5.4":
+  version "13.5.4"
+  resolved "https://registry.yarnpkg.com/@next/mdx/-/mdx-13.5.4.tgz#3b79c6f9d96669c4b852236b62fc94fdb0e1e518"
+  integrity sha512-WYdWeDZUvX9h0BnjDtwyFy2We4ko8ox5EuglN27rCoYz1xj8fQ8KAn7reZgXwT2RX2hxUOl4eTNbXBfsrw7Gew==
   dependencies:
     source-map "^0.7.0"