fix(deps): update dependency next to v15.5.7 [security]

Author: renovate[bot]

package-lock.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@headlessui/react": "^2.1.2",
     "@heroicons/react": "^2.1.5",
-    "next": "15.5.3",
+    "next": "15.5.7",
     "react": "19.2.0",
     "react-dom": "19.2.0"
   },