chore(deps): update dependency unplugin-auto-import to v20

Author: renovate[bot]

package.json

@@ -47,7 +47,7 @@
     "terser": "^5.43.1",
     "typescript": "^5.9.2",
     "unocss": "^66.4.2",
-    "unplugin-auto-import": "^19.3.0",
+    "unplugin-auto-import": "^20.0.0",
     "unplugin-vue-components": "^28.8.0",
     "vite": "^7.1.2",
     "vite-plugin-html": "^3.2.2",