chore(deps): update pnpm to v9 (#54)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -1,7 +1,7 @@
 {
   "name": "unplugin-vue-named-export",
   "version": "0.4.0",
-  "packageManager": "pnpm@8.15.6",
+  "packageManager": "pnpm@9.0.5",
   "description": "Named export for Vue SFC.",
   "keywords": [
     "unplugin",