Release v2.7.1 - Revert accidental Bulma upgrade
When 2.7.0 was released, it accidentally contained the Bulma 1.0 submodule change. This will revert this change and allow 2.7.1 to use Bulma 0.9x as intended.
When 2.7.0 was released, it accidentally contained the Bulma 1.0 submodule change. This will revert this change and allow 2.7.1 to use Bulma 0.9x as intended.