Part of the refactor of pipeline schedules to Vue/GraphQL. Hooks up the update schedule mutation and adds ability to update and destroy variables.
Screenshots or screen recordings
How to set up and validate locally
Enable the feature flag Feature.enable(:pipeline_schedules_vue)
Visit Project > Build > Pipeline schedules
Try creating a pipeline schedule with different values and test out creation
Then edit the pipeline schedule and ensure the values are updated correctly (try removing variables etc.)
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
