chore(deps): update pnpm to v9.12.1 (dev) (#2327)

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

package.json

@@ -2,7 +2,7 @@
   "name": "@nuxt/ui",
   "description": "A UI Library for Modern Web Apps, powered by Vue & Tailwind CSS.",
   "version": "2.18.6",
-  "packageManager": "pnpm@9.12.0",
+  "packageManager": "pnpm@9.12.1",
   "repository": "nuxt/ui",
   "homepage": "https://ui.nuxt.com",
   "type": "module",