chore(deps): update npm to v8.19.4

Author: renovate[bot]

demos/turborepo-next-monorepo-demo/package.json

@@ -27,5 +27,5 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },
-  "packageManager": "npm@8.11.0"
+  "packageManager": "npm@8.19.4"
 }