chore(deps): bump astro from 3.6.4 to 4.3.0

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 3.6.4 to 4.3.0.
- [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/[email protected]/packages/astro)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -30,6 +30,6 @@
     "typescript": "^5.3.3"
   },
   "dependencies": {
-    "astro": "^3.6.4"
+    "astro": "^4.3.0"
   }
 }