chore(deps-dev): Bump @electron-forge/maker-deb from 6.3.0 to 6.4.0

Bumps [@electron-forge/maker-deb](https://github.com/electron/forge) from 6.3.0 to 6.4.0.
- [Release notes](https://github.com/electron/forge/releases)
- [Changelog](https://github.com/electron/forge/blob/main/CHANGELOG.md)
- [Commits](electron/forge@v6.3.0...v6.4.0)

---
updated-dependencies:
- dependency-name: "@electron-forge/maker-deb"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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