Bump electron-updater from 4.3.5 to 6.3.0

Bumps [electron-updater](https://github.com/electron-userland/electron-builder/tree/HEAD/packages/electron-updater) from 4.3.5 to 6.3.0.
- [Release notes](https://github.com/electron-userland/electron-builder/releases)
- [Changelog](https://github.com/electron-userland/electron-builder/blob/master/packages/electron-updater/CHANGELOG.md)
- [Commits](https://github.com/electron-userland/electron-builder/commits/[email protected]/packages/electron-updater)

---
updated-dependencies:
- dependency-name: electron-updater
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -30,7 +30,7 @@
     "electron-fetch": "^1.7.4",
     "electron-log": "4.3.1",
     "electron-store": "8.2.0",
-    "electron-updater": "4.3.5",
+    "electron-updater": "6.3.0",
     "fs-extra": "9.0.1",
     "https-browserify": ">=0.0.0",
     "jsonwebtoken": "^8.5.1",