Update dependency node-notifier to v8 [SECURITY]

Author: renovate-bot

package.json

@@ -98,7 +98,7 @@
     "keytar": "^4.3.0",
     "litegraph.js": "git+https://github.com/InventivetalentDev/litegraph.js.git",
     "materialize-css": "^1.0.0",
-    "node-notifier": "^5.3.0",
+    "node-notifier": "^8.0.0",
     "request": "^2.88.0",
     "universal-analytics": "^0.4.20",
     "uuid": "^3.3.2"