move HH4b primary menu item to Main stream (!70958) · Merge requests · atlas / athena · GitLab

Chris Pollard requested to merge cpollard/athena:fix-hh4b-stream into 24.0 Apr 27, 2024

as pointed out in https://its.cern.ch/jira/browse/ATR-28870, the chain in question is going to the wrong stream.