Change connected git repository for a project from project settings

Support git branch --show-current and git describe --tags --exact-match in EC2 builders
Enable ECS exec in scheduled job tasks
In ECS-EC2 clusters, automatically terminate abandoned instances
New Select Git Repository screen that improves loading performance via scoping by git account
Fix opening a domain sidepane resets pagination
Fix issue with preview environment env variables
Fix edge case when accepting invitations to join a Flightcontol organization