chore(deps): update dependency @nuxtjs/color-mode to v4

Author: renovate[bot]

package.json

@@ -131,7 +131,7 @@
     "@nuxt/icon": "^2.2.1",
     "@nuxt/kit": "^4.3.1",
     "@nuxt/schema": "^4.3.1",
-    "@nuxtjs/color-mode": "^3.5.2",
+    "@nuxtjs/color-mode": "^4.0.0",
     "@standard-schema/spec": "^1.1.0",
     "@tailwindcss/postcss": "^4.2.0",
     "@tailwindcss/vite": "^4.2.0",