Update nuxt version

frontend/package.json

@@ -38,7 +38,7 @@
         "gsap": "^3.12.7",
         "jalali-ts": "^8.0.0",
         "motion-v": "^1.1.1",
-        "nuxt": "^3.15.4",
+        "nuxt": "^3.21.4",
         "ogl": "^1.0.11",
         "reka-ui": "^1.0.0-alpha.6",
         "sanitize-html": "^2.15.0",