Update dependency astro to v4 [SECURITY]

Author: renovate[bot]

package.json

@@ -23,7 +23,7 @@
     "@types/node": "^20.9.1",
     "@types/react": "^18.2.37",
     "@types/react-dom": "^18.2.15",
-    "astro": "^3.5.5",
+    "astro": "^4.0.0",
     "preact": "^10.19.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",