Add RTA/2024.07.09 stack: Detector_v1r34, LHCb_v55r11, Lbcom_v35r11, Rec_v36r11, Allen_v4r11, Moore_v55r11

Please, describe here the proposed changes.

Add RTA/2024.07.09 stack: Detector_v1r34, LHCb_v55r11, Lbcom_v35r11, Rec_v36r11, Allen_v4r11, Moore_v55r11

Added clang platform to the list of platforms

Release checklist (to be filled by the shifter)

• release build validation (to be checked with the MR author)
• RPMs deployment
• CVMFS installation
• web pages update