chore(deps): bump @astrojs/check from 0.8.1 to 0.9.4 in /site

Bumps [@astrojs/check](https://github.com/withastro/language-tools/tree/HEAD/packages/astro-check) from 0.8.1 to 0.9.4.
- [Release notes](https://github.com/withastro/language-tools/releases)
- [Changelog](https://github.com/withastro/language-tools/blob/main/packages/astro-check/CHANGELOG.md)
- [Commits](https://github.com/withastro/language-tools/commits/@astrojs/check@0.9.4/packages/astro-check)

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

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

Author: dependabot[bot]

site/package.json

@@ -13,7 +13,7 @@
     "@astrojs/starlight": "^0.21.3",
     "astro": "^4.5.12",
     "sharp": "^0.33.2",
-    "@astrojs/check": "^0.8.1",
+    "@astrojs/check": "^0.9.4",
     "typescript": "^5.4.4"
   }
 }