Bump electron-packager from 14.0.6 to 15.2.0

Bumps [electron-packager](https://github.com/electron/electron-packager) from 14.0.6 to 15.2.0.
- [Release notes](https://github.com/electron/electron-packager/releases)
- [Changelog](https://github.com/electron/electron-packager/blob/master/NEWS.md)
- [Commits](electron/packager@v14.0.6...v15.2.0)

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

Author: dependabot-preview[bot]

package.json

@@ -27,7 +27,7 @@
     "dotenv": "^8.0.0",
     "dumper.js": "^1.3.1",
     "electron-builder": "^21.2.0",
-    "electron-packager": "^14.0.4",
+    "electron-packager": "^15.2.0",
     "enquirer": "^2.3.0",
     "express": "^4.16.4",
     "extract-zip": "^1.6.7",