Bump electron from 1.8.8 to 9.1.0 in /templates/electron/template

Bumps [electron](https://github.com/electron/electron) from 1.8.8 to 9.1.0.
- [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/v1.8.8...v9.1.0)

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

templates/electron/template/package.json

@@ -6,6 +6,6 @@
         "start": "electron ElectronSetup.js"
     },
     "devDependencies": {
-        "electron": "^1.7.9"
+        "electron": "^9.1.0"
     }
 }