Bump electron from 1.8.1 to 15.5.5

Bumps [electron](https://github.com/electron/electron) from 1.8.1 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](https://github.com/electron/electron/compare/v1.8.1...v15.5.5)

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

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

package.json

@@ -22,7 +22,7 @@
   "author": "Satinderjit Singh",
   "license": "MIT",
   "devDependencies": {
-    "electron": "^1.8.1"
+    "electron": "^15.5.5"
   },
   "dependencies": {
     "bluebird": "^3.5.1",