Add multi-deployment review apps for pages. This is the first commit of
many. Or maybe not.

This commit updates the Duo Chat Feedback modal
to add an indicator when the submit button is
clicked but mandatory fields are empty.

feat(DuoChat): add mandatory field indicator on DuoChat Feedback Modal

See merge request gitlab-org/gitlab-ui!4032



Merged-by: Lukas 'ai-pi' Eipert <leipert@gitlab.com>
Approved-by: Katie Macoy <kmacoy@gitlab.com>
Approved-by: Denys Mishunov <dmishunov@gitlab.com>
Approved-by: Lukas 'ai-pi' Eipert <leipert@gitlab.com>
Reviewed-by: Illya Klymov <iklymov@gitlab.com>
Reviewed-by: Denys Mishunov <dmishunov@gitlab.com>
Reviewed-by: Jannik Lehmann <jlehmann@gitlab.com>
Co-authored-by: Jannik Lehmann <jlehmann@gitlab.com>

ci: Review apps for pages

See merge request gitlab-org/gitlab-ui!4065



Merged-by: Lukas 'ai-pi' Eipert <leipert@gitlab.com>
Approved-by: Paul Gascou-Vaillancourt <pgascouvaillancourt@gitlab.com>

# [78.9.0](v78.8.1...v78.9.0) (2024-04-04)

### Features

* **DuoChat:** add mandatory field indicator on DuoChat Feedback Modal ([df7d4a55](df7d4a55))