chore(deps): update pnpm to v8.15.9 (#93)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| npm        | pnpm    | 8.15.8 | 8.15.9 |

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

package.json

@@ -45,7 +45,7 @@
     "prettier": "3.3.3",
     "prettier-plugin-packagejson": "2.5.1"
   },
-  "packageManager": "pnpm@8.15.8",
+  "packageManager": "pnpm@8.15.9",
   "engines": {
     "node": "^18.12.0 || >=20.0.0",
     "pnpm": "^8.0.0"