Bump electron from 35.7.5 to 39.8.4 in /samples (#5282)

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]

samples/package-lock.json

@@ -11,7 +11,7 @@
 	"license": "MIT",
 	"devDependencies": {
 		"css-loader": "^5.2.7",
-		"electron": "^35.7.5",
+		"electron": "^39.8.4",
 		"file-loader": "^6.2.0",
 		"glob": "^7.2.0",
 		"html-webpack-plugin": "^5.5.0",