[horizon][stable] [release] Proposal to make stable/stein as EOL

Hi all, As discussed in yesterday's Horizon weekly meeting[1] on 2023-05-31, I want to announce that the Horizon team decided to move the stable/stein branch as EOL. Consider this mail as an official announcement of that. The gate for horizon stable/stein is failing for the last few months [2]. I would like to know if anyone still wants to keep this branch to be open otherwise, I will propose an EOL patch for this branch. Thanks & Regards, Vishal Manchanda [1] https://meetings.opendev.org/irclogs/%23openstack-horizon/%23openstack-horiz... [2] https://review.opendev.org/q/project:openstack%252Fhorizon+branch:stable%252...