Bump electron from 9.3.1 to 9.4.0

Bumps [electron](https://github.com/electron/electron) from 9.3.1 to 9.4.0.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](electron/electron@v9.3.1...v9.4.0)

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

package.json

@@ -95,7 +95,7 @@
     "@vue/eslint-config-standard": "^6.0.0",
     "babel-eslint": "^10.1.0",
     "devtron": "^1.4.0",
-    "electron": "9.3.1",
+    "electron": "9.4.0",
     "electron-builder": "^22.8.0",
     "electron-debug": "^3.2.0",
     "electron-devtools-installer": "^3.1.1",