[dashboard] Make v19-dashboard-happy-path a required PR check for che-dashboard #23707
Description
Is your task related to a problem? Please describe
The v19-dashboard-happy-path check is executed, but it is not enforced as a required status check. As a result, pull requests can be merged even if this check is failing or has not run.
Describe the solution you'd like
Mark v19-dashboard-happy-path check as required
Describe alternatives you've considered
No response
Additional context
No response