Update electron requirement in /packages/generator/app/templates

Updates the requirements on [electron](https://github.com/electron/electron) to permit the latest version.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](electron/electron@v4.1.1...v4.1.4)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

packages/generator/app/templates/package.json

@@ -53,7 +53,7 @@
     "chai-as-promised": "7.1.1",
     "chai-dom": "1.8.1",
     "chai-enzyme": "1.0.0-beta.1",
-    "electron": "4.1.1",
+    "electron": "4.1.4",
     "enzyme": "3.9.0",
     "enzyme-adapter-react-16": "1.11.2",
     "eslint": "5.15.3",