Bump electron from 35.1.3 to 39.8.5 in /standalone

Bumps [electron](https://github.com/electron/electron) from 35.1.3 to 39.8.5.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](electron/electron@v35.1.3...v39.8.5)

---
updated-dependencies:
- dependency-name: electron
  dependency-version: 39.8.5
  dependency-type: direct:development
...

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

Author: dependabot[bot]

standalone/package-lock.json

@@ -73,7 +73,7 @@
     "@electron-forge/plugin-auto-unpack-natives": "^7.7.0",
     "@electron-forge/plugin-fuses": "^7.7.0",
     "@electron/fuses": "^1.8.0",
-    "electron": "^35.0.0",
+    "electron": "^39.8.5",
     "electron-builder": "^26.0.12"
   },
   "dependencies": {