Bump electron from 7.1.0 to 7.2.4

Bumps [electron](https://github.com/electron/electron) from 7.1.0 to 7.2.4.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](https://github.com/electron/electron/compare/v7.1.0...v7.2.4)

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

package.json

@@ -52,7 +52,7 @@
     "buble": "^0.19.8",
     "cross-zip": "^3.0.0",
     "depcheck": "^0.9.0",
-    "electron": "~7.1.0",
+    "electron": "~7.2.4",
     "electron-osx-sign": "^0.4.14",
     "electron-packager": "^14.0.6",
     "electron-winstaller": "^4.0.0",