Bump debug in /frontend/zulu

Bumps  and [debug](https://github.com/debug-js/debug). These dependencies needed to be updated together.

Updates `debug` from 4.1.1 to 4.3.4
- [Release notes](https://github.com/debug-js/debug/releases)
- [Commits](debug-js/debug@4.1.1...4.3.4)

Updates `debug` from 3.2.6 to 4.3.4
- [Release notes](https://github.com/debug-js/debug/releases)
- [Commits](debug-js/debug@4.1.1...4.3.4)

---
updated-dependencies:
- dependency-name: debug
  dependency-type: indirect
- dependency-name: debug
  dependency-type: indirect
...

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