Bump electron from 40.6.1 to 40.8.0 in /electron

Bumps [electron](https://github.com/electron/electron) from 40.6.1 to 40.8.0.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](electron/electron@v40.6.1...v40.8.0)

---
updated-dependencies:
- dependency-name: electron
  dependency-version: 40.8.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

electron/package-lock.json

@@ -29,7 +29,7 @@
     "bonjour-service": "^1.3.0"
   },
   "devDependencies": {
-    "electron": "^40.6.1",
+    "electron": "^40.8.0",
     "@electron-forge/cli": "^7.11.1",
     "@electron-forge/maker-squirrel": "^7.11.1",
     "@electron-forge/maker-zip": "^7.11.1",