chore(deps): bump electron from 12.0.15 to 18.3.7

Bumps [electron](https://github.com/electron/electron) from 12.0.15 to 18.3.7.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](electron/electron@v12.0.15...v18.3.7)

---
updated-dependencies:
- dependency-name: electron
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>