chore(deps): update pnpm to v8 (#984)

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

package.json

@@ -5,7 +5,7 @@
   "repository": "git@github.com:Schniz/fnm.git",
   "author": "Gal Schlezinger <gal@spitfire.co.il>",
   "type": "module",
-  "packageManager": "pnpm@7.33.3",
+  "packageManager": "pnpm@8.6.5",
   "license": "GPLv3",
   "scripts": {
     "test": "cross-env NODE_OPTIONS='--experimental-vm-modules' jest",