fix(deps): update nextjs monorepo to v16

package.json

@@ -24,7 +24,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.552.0",
-    "next": "^15.4.1",
+    "next": "^16.0.0",
     "next-plausible": "^3.12.4",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
@@ -40,7 +40,7 @@
     "@types/react": "19.2.2",
     "@types/react-dom": "19.2.2",
     "eslint": "9.39.0",
-    "eslint-config-next": "15.5.6",
+    "eslint-config-next": "16.0.1",
     "eslint-plugin-react-hooks": "5.2.0",
     "postcss": "8.5.6",
     "prettier": "3.6.2",