build(deps-dev): bump electron from 6.0.12 to 7.0.0

Bumps [electron](https://github.com/electron/electron) from 6.0.12 to 7.0.0.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](https://github.com/electron/electron/compare/v6.0.12...v7.0.0)

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

package.json

@@ -17,6 +17,6 @@
   "author": "GitHub",
   "license": "CC0-1.0",
   "devDependencies": {
-    "electron": "^6.0.12"
+    "electron": "^7.0.0"
   }
 }