Bump electron-dl from 2.0.0 to 3.0.0

Bumps [electron-dl](https://github.com/sindresorhus/electron-dl) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/sindresorhus/electron-dl/releases)
- [Commits](sindresorhus/electron-dl@v2.0.0...v3.0.0)

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

package.json

@@ -183,7 +183,7 @@
     "command-exists": "1.2.8",
     "commander": "4.1.1",
     "core-js": "^2.6.3",
-    "electron-dl": "2.0.0",
+    "electron-dl": "3.0.0",
     "eslint": "5.16.0",
     "follow-redirects": "1.9.0",
     "fs-extra": "8.1.0",