build(deps): bump astro from 3.6.4 to 4.16.16

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 3.6.4 to 4.16.16.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@4.16.16/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -31,6 +31,6 @@
   },
   "dependencies": {
     "@astrojs/check": "^0.9.3",
-    "astro": "^3.6.4"
+    "astro": "^4.16.16"
   }
 }