Bump electron from 35.7.5 to 39.8.4 (#77)

Bumps [electron](https://github.com/electron/electron) from 35.7.5 to 39.8.4.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](electron/electron@v35.7.5...v39.8.4)

---
updated-dependencies:
- dependency-name: electron
  dependency-version: 39.8.4
  dependency-type: direct:development
...

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Author: dependabot[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "tar": "^7.5.4"
   },
   "devDependencies": {
-    "electron": "35.7.5",
+    "electron": "39.8.4",
     "eslint": "^7.32.0",
     "mocha": "^11.7.5"
   },