Draft: Update ref for sim11 slot

This is needed because reference are different in master due to changes in Gaudi

added not for merge reference update labels

requested review from @mexu and @edelucia

added lhcb-sim11 label

• [2025-04-04 01:02] Validation started with lhcb-sim11#570
• [2025-04-05 01:03] Validation started with lhcb-sim11#571
• [2025-04-06 01:02] Validation started with lhcb-sim11#572
• [2025-04-07 01:02] Validation started with lhcb-sim11#573
• [2025-04-08 01:02] Validation started with lhcb-sim11#574

perhaps after !695 (merged), we can close this MR now? @edelucia

closed