chore: update pnpm to v9.15.9

Author: renovate[bot]

package.json

@@ -97,5 +97,5 @@
     "yaml": "2.5.0",
     "zod": "3.23.8"
   },
-  "packageManager": "pnpm@9.13.2"
+  "packageManager": "pnpm@9.15.9"
 }