build(deps-dev): bump electron from 40.6.1 to 40.8.4

Bumps [electron](https://github.com/electron/electron) from 40.6.1 to 40.8.4.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](electron/electron@v40.6.1...v40.8.4)

---
updated-dependencies:
- dependency-name: electron
  dependency-version: 40.8.4
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -47,7 +47,7 @@
     "@typescript-eslint/eslint-plugin": "^8.56.1",
     "@vitejs/plugin-react": "^5.1.4",
     "cesium": "^1.138.0",
-    "electron": "^40.6.1",
+    "electron": "^40.8.4",
     "electron-builder": "^26.8.1",
     "eslint": "^10.0.2",
     "eslint-config-prettier": "^10.1.8",