chore: upgrade dependencies

Author: openscript

package.json

@@ -11,8 +11,8 @@
   },
   "dependencies": {
     "@astrojs/starlight": "^0.34.3",
-    "astro": "^5.6.1",
-    "sharp": "^0.32.5",
+    "astro": "^5.9.2",
+    "sharp": "^0.32.6",
     "starlight-theme-openscript": "^0.1.6"
   },
   "devDependencies": {