Bump node-notifier from 5.4.3 to 8.0.1 in /frontend

Bumps [node-notifier](https://github.com/mikaelbr/node-notifier) from 5.4.3 to 8.0.1.
- [Release notes](https://github.com/mikaelbr/node-notifier/releases)
- [Changelog](https://github.com/mikaelbr/node-notifier/blob/v8.0.1/CHANGELOG.md)
- [Commits](https://github.com/mikaelbr/node-notifier/compare/v5.4.3...v8.0.1)
Signed-off-by: Ndependabot[bot] <support@github.com>

frontend/package.json

@@ -57,7 +57,7 @@
     "mocha": "^3.2.0",
     "moment": "^2.24.0",
     "nightwatch": "^1.0.12",
-    "node-notifier": "^5.1.2",
+    "node-notifier": "^8.0.1",
     "node-sass": "^4.12.0",
     "optimize-css-assets-webpack-plugin": "^3.2.0",
     "ora": "^1.2.0",
@@ -137,7 +137,7 @@
     "karma-webpack": "^2.0.2",
     "mocha": "^3.2.0",
     "nightwatch": "^1.0.12",
-    "node-notifier": "^5.1.2",
+    "node-notifier": "^8.0.1",
     "node-sass": "^4.12.0",
     "optimize-css-assets-webpack-plugin": "^3.2.0",
     "ora": "^1.2.0",