chore(deps): update pnpm to v8.15.6

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
     "prepublishOnly": "pnpm test && pnpm lint && pnpm run format:check && pnpm run typecheck && pnpm build"
   },
   "type": "module",
-  "packageManager": "[email protected].0",
+  "packageManager": "[email protected].6",
   "dependencies": {
     "execa": "^8.0.1"
   },