Bump electron from 9.2.0 to 9.3.1 in /ElectronNET.Host

Bumps [electron](https://github.com/electron/electron) from 9.2.0 to 9.3.1.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](electron/electron@v9.2.0...v9.3.1)

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

Author: dependabot[bot]

ElectronNET.Host/package-lock.json

@@ -21,7 +21,7 @@
     "devDependencies": {
         "@types/node": "^10.14.4",
         "@types/socket.io": "^2.1.2",
-        "electron": "^9.2.0",
+        "electron": "^9.3.1",
         "tslint": "^6.1.1",
         "typescript": "^3.8.3"
     }