Bump electron devDependency from 15.x to 16.x (#795)

Bumps [electron](/~https://github.com/electron/electron) from 15.3.3 to 16.0.3.
- [Release notes](/~https://github.com/electron/electron/releases)
- [Changelog](/~https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](electron/electron@v15.3.3...v16.0.3)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -35,7 +35,7 @@
     "delayed": "^2.0.0",
     "dependency-check": "^4.1.0",
     "du": "^1.0.0",
-    "electron": "^15.0.0",
+    "electron": "^16.0.3",
     "faucet": "^0.0.1",
     "glob": "^7.1.3",
     "hallmark": "^4.0.0",