fix(deps): update dependency unplugin to v2

Author: renovate[bot]

package.json

@@ -89,7 +89,7 @@
   "dependencies": {
     "@rollup/pluginutils": "^5.1.3",
     "magic-string": "^0.30.14",
-    "unplugin": "^1.16.0"
+    "unplugin": "^2.0.0"
   },
   "devDependencies": {
     "@sxzz/eslint-config": "^4.5.1",