Feature flag for Quizzes.Next should have beta tag
Feature flag for Quizzes.Next should have beta tag

closes QUIZ-4041

Test Plan:
- View Canvas Features as admin
- Verify Quizzes.Next has the beta tag

Change-Id: I9093e265a77b6328e3df5a43a84ce1b8e728a440
Reviewed-on: https://gerrit.instructure.com/141771
Tested-by: Jenkins
Reviewed-by: Aaron Griffin <29bf1abe4ca574e0ef2231c796bb2ef01930a0ca@instructure.com>
QA-Review: David Tan <6283e310a2278fc51bdc4fb5974f70dd9c3366b9@instructure.com>
Product-Review: Kevin Dougherty <d976013e3ceb631f24c072156980cd9ccba4cf84@instructure.com>

djbender/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms