chore(deps): update pnpm to v9.15.9

Author: renovate[bot]

package.json

@@ -68,7 +68,7 @@
     "vitest": "^3.2.4",
     "vue-tsc": "^3.0.6"
   },
-  "packageManager": "[email protected].3",
+  "packageManager": "[email protected].9",
   "resolutions": {
     "@nuxtjs/tailwindcss": "link:."
   },