Bump gui-v2 from 97e40e0 to cc166ef

Bumps [gui-v2](https://github.com/OpenEVSE/openevse-gui-v2) from `97e40e0` to `cc166ef`.
- [Commits](OpenEVSE/openevse-gui-v2@97e40e0...cc166ef)

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

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

Author: dependabot[bot]