chore(deps): update dependency astro to v5.16.4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -35,7 +35,7 @@
   "devDependencies": {
     "@biomejs/biome": "2.3.8",
     "@types/node": "24.10.1",
-    "astro": "5.16.0",
+    "astro": "5.16.4",
     "typescript": "5.9.3"
   },
   "type": "module",