fix(deps): update dependency unplugin to v2

Author: renovate[bot]

package.json

@@ -35,7 +35,7 @@
     "iconify-icon": "^2.0.0",
     "magic-string": "^0.30.1",
     "shiki": "1.1.7",
-    "unplugin": "^1.4.0"
+    "unplugin": "^2.0.0"
   },
   "devDependencies": {
     "@nuxt/devtools": "^1.0.8",