Bump electron-updater from 4.3.8 to 4.3.9 (#3612)

Bumps [electron-updater](https://github.com/electron-userland/electron-builder) from 4.3.8 to 4.3.9.
- [Release notes](https://github.com/electron-userland/electron-builder/releases)
- [Changelog](https://github.com/electron-userland/electron-builder/blob/master/CHANGELOG.md)
- [Commits](https://github.com/electron-userland/electron-builder/commits)

---
updated-dependencies:
- dependency-name: electron-updater
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -198,7 +198,7 @@
     "conf": "^7.0.1",
     "crypto-js": "^4.0.0",
     "electron-devtools-installer": "^3.2.0",
-    "electron-updater": "^4.3.1",
+    "electron-updater": "^4.3.9",
     "electron-window-state": "^5.0.3",
     "filehound": "^1.17.4",
     "fs-extra": "^9.0.1",