chore(deps): update pnpm to v9.15.1

Author: renovate[bot]

package.json

@@ -57,5 +57,5 @@
     "typescript": "~5.6.0",
     "typescript-eslint": "^8.0.0"
   },
-  "packageManager": "pnpm@9.15.0"
+  "packageManager": "pnpm@9.15.1"
 }