Bump astro from 4.16.3 to 4.16.18

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.16.3 to 4.16.18.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/astro@4.16.18/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@4.16.18/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:development
...

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

package.json

@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@typescript-eslint/parser": "^8.9.0",
-    "astro": "^4.11.6",
+    "astro": "^4.16.18",
     "autoprefixer": "^10.4.20",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",