fix(deps): update nextjs monorepo to v16

Author: renovate[bot]

apps/web/package.json

@@ -34,7 +34,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.563.0",
-    "next": "^15.2.3",
+    "next": "^16.0.0",
     "next-themes": "^0.4.6",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
@@ -54,7 +54,7 @@
     "@types/react-dom": "^19.0.0",
     "@vitest/coverage-v8": "^4.0.0",
     "eslint": "^9.23.0",
-    "eslint-config-next": "^15.2.3",
+    "eslint-config-next": "^16.0.0",
     "postcss": "^8.5.3",
     "prettier": "^3.5.3",
     "prettier-plugin-tailwindcss": "^0.7.0",