Update nextjs monorepo to v16

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "test:ui": "playwright test -c ./playwright.config.ts tests --ui"
   },
   "dependencies": {
-    "@next/third-parties": "^15.5.2",
+    "@next/third-parties": "^16.0.0",
     "@tanstack/react-query": "^5.77.2",
     "@tanstack/react-query-devtools": "^5.77.2",
     "@types/matter-js": "^0.20.0",
@@ -28,7 +28,7 @@
     "ky": "^1.8.1",
     "matter-js": "^0.20.0",
     "motion": "^12.23.3",
-    "next": "15.5.9",
+    "next": "16.1.1",
     "overlay-kit": "^1.8.4",
     "pretendard": "^1.3.9",
     "react": "^19.0.0",