Bump node-notifier from 5.2.1 to 8.0.1

Bumps [node-notifier](https://github.com/mikaelbr/node-notifier) from 5.2.1 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](mikaelbr/node-notifier@v5.2.1...v8.0.1)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -18,7 +18,7 @@
     "lazystream": "^1.0.0",
     "mocha": "^7.1.0",
     "multiparty": "^4.2.1",
-    "node-notifier": "^6.0.0",
+    "node-notifier": "^8.0.1",
     "pkginfo": "^0.4.1",
     "pug": "^2.0.4",
     "socket.io": "^2.4.1",