chore(deps): update pnpm to v11

Author: renovate[bot]

package.json

@@ -2,7 +2,7 @@
   "name": "@onmax/nuxt-better-auth",
   "type": "module",
   "version": "0.0.2-alpha.31",
-  "packageManager": "pnpm@10.15.1",
+  "packageManager": "pnpm@11.1.0",
   "description": "Nuxt module for Better Auth integration with NuxtHub, route protection, session management, and role-based access",
   "author": "onmax",
   "license": "MIT",