Bump electron from 21.0.1 to 21.3.0

Bumps [electron](https://github.com/electron/electron) from 21.0.1 to 21.3.0.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](https://github.com/electron/electron/compare/v21.0.1...v21.3.0)

---
updated-dependencies:
- dependency-name: electron
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -35,7 +35,7 @@
     "cross-env": "7.0.3",
     "css-loader": "^6.7.1",
     "deep-equal": "2.0.5",
-    "electron": "21.0.1",
+    "electron": "21.3.0",
     "electron-builder": "^24.0.0-alpha.1",
     "electron-download": "^4.1.1",
     "electron-installer-snap": "^5.1.0",