fix(deps): update nextjs monorepo to v14.2.21

Author: renovate[bot]

package.json

@@ -42,7 +42,7 @@
     "groq-sdk": "^0.3.2",
     "jotai": "^2.8.2",
     "lucide-react": "^0.363.0",
-    "next": "14.2.3",
+    "next": "14.2.21",
     "next-intl": "^3.14.1",
     "next-themes": "^0.3.0",
     "openai": "^4.38.2",
@@ -68,7 +68,7 @@
     "@typescript-eslint/parser": "^7.5.0",
     "autoprefixer": "^10.4.19",
     "eslint": "^8.57.0",
-    "eslint-config-next": "14.2.2",
+    "eslint-config-next": "14.2.21",
     "eslint-plugin-simple-import-sort": "^12.1.0",
     "eslint-plugin-tailwindcss": "^3.17.0",
     "eslint-plugin-unused-imports": "^3.2.0",