Update references to new 2.7.0 UI branches - `rancher/dashboard` and `rancher/ui` have both now branched for 2.7.0 - This change ensures the `rancher/rancher` 2.7 branch points to the correct files for testing `-head` builds
Update references to new 2.7.0 UI branches
- `rancher/dashboard` and `rancher/ui` have both now branched for 2.7.0
- This change ensures the `rancher/rancher` 2.7 branch points to the correct files for testing `-head` builds

rancher/rancher,rancher/rancher,rancher/rancher,rancher/rancher