chore(deps): update pnpm to v9 (#356)

Co-authored-by: homarr-renovate[bot] <158783068+homarr-renovate[bot]@users.noreply.github.com>

package.json

@@ -5,7 +5,7 @@
     "node": ">=20.12.2"
   },
   "type": "module",
-  "packageManager": "pnpm@8.15.6",
+  "packageManager": "pnpm@9.0.4",
   "scripts": {
     "build": "turbo build",
     "clean": "git clean -xdf node_modules",