build(deps): bump astro from 4.0.1 to 4.0.6

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.0.1 to 4.0.6.
- [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@4.0.6/packages/astro)

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

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

package.json

@@ -19,7 +19,7 @@
     "@spotlightjs/astro": "^1.0.0",
     "@types/react": "^18.0.21",
     "@types/react-dom": "^18.0.6",
-    "astro": "^4.0.1",
+    "astro": "^4.0.6",
     "lxgw-wenkai-lite-webfont": "^1.7.0",
     "react": "^18.0.0",
     "react-dom": "^18.0.0",