chore(deps): bump typescript from 5.4.4 to 5.9.3 in /site (#204)

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.4.4 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](microsoft/TypeScript@v5.4.4...v5.9.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

site/package.json

@@ -14,6 +14,6 @@
     "astro": "^4.16.18",
     "sharp": "^0.33.5",
     "@astrojs/check": "^0.8.1",
-    "typescript": "^5.4.4"
+    "typescript": "^5.9.3"
   }
 }