chore(deps): update pnpm to v8.6.8

Author: renovate[bot]

package.json

@@ -52,5 +52,5 @@
   "engines": {
     "node": ">=14.0.0"
   },
-  "packageManager": "pnpm@8.6.7"
+  "packageManager": "pnpm@8.6.8"
 }