Bump gui-v2 from 705412d to c4d2393

Bumps [gui-v2](https://github.com/OpenEVSE/openevse-gui-v2) from `705412d` to `c4d2393`.
- [Commits](OpenEVSE/openevse-gui-v2@705412d...c4d2393)

---
updated-dependencies:
- dependency-name: gui-v2
  dependency-type: direct:production
...

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

Author: dependabot[bot]