Bump electron from 3.1.13 to 15.5.5

Bumps [electron](https://github.com/electron/electron) from 3.1.13 to 15.5.5.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](electron/electron@v3.1.13...v15.5.5)

---
updated-dependencies:
- dependency-name: electron
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -114,7 +114,7 @@
     "copy-webpack-plugin": "^6.3.2",
     "cross-env": "^5.1.3",
     "css-loader": "^2.1.1",
-    "electron": "^3.1.9",
+    "electron": "^15.5.5",
     "electron-builder": "^22.3.2",
     "electron-devtools-installer": "^2.2.4",
     "eslint": "^6.5.1",