chore(deps): update pnpm to v8

Author: renovate[bot]

package.json

@@ -40,7 +40,7 @@
     "test": "nr lint && vitest run"
   },
   "version": "0.2.2",
-  "packageManager": "pnpm@7.18.2",
+  "packageManager": "pnpm@8.1.0",
   "volta": {
     "node": "18.12.1",
     "npm": "9.2.0"