chore(deps): update pnpm to v8.15.0 (walinejs#2293)

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

package.json

@@ -89,7 +89,7 @@
     "vite-plugin-svgr": "4.2.0",
     "vitest": "1.2.1"
   },
-  "packageManager": "pnpm@8.14.3",
+  "packageManager": "pnpm@8.15.0",
   "apidoc": {
     "title": "Waline API Documentation"
   }