Prepare Moore v54r12

[ci skip]

ReleaseNotes/v54r12.md

+2023-07-04 Moore v54r12
+===
+
+This version uses
+Allen [v3r12](../../../../Allen/-/tags/v3r12),
+Rec [v35r11](../../../../Rec/-/tags/v35r11),
+Lbcom [v34r11](../../../../Lbcom/-/tags/v34r11),
+LHCb [v54r11](../../../../LHCb/-/tags/v54r11),
+Detector [v1r15](../../../../Detector/-/tags/v1r15),
+Gaudi [v36r14](../../../../Gaudi/-/tags/v36r14) and
+LCG [103](http://lcginfo.cern.ch/release/103/) with ROOT 6.28.00.
+
+This version is released on the `master` branch.
+Built relative to Moore [v54r11](/../../tags/v54r11), with the following changes:
+
+### New features ~"new feature"
+
+- Upstream project highlights :star:
+
+
+### Fixes ~"bug fix" ~workaround
+
+- ~PID | Fix PID_B2JpsiK_Jpsi2mumu, !2448 (@smaccoli)
+- Upstream project highlights :star:
+
+
+### Enhancements ~enhancement
+
+- Upstream project highlights :star:
+
+
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
+
+- Fix refs that were not symlinks, !2469 (@rmatev)
+- Upstream project highlights :star:
+
+
+### Documentation ~Documentation
+
+### Other
+
+- ~selection ~hlt2 | B2OC: new Hlt2 / Spruce B2DDH lines, !2369 (@shunan)
+- ~hlt2 | B2OC: updated PID cuts for D0 candidates in B2Dsthhh lines, !2372 (@mamartin)
+- ~hlt2 ~PID | Tighten PID line cuts & add dielectron lines, !2359 (@dcervenk)
+- ~Persistency | Change of RawEvent location post Sprucing, !2418 (@msaur)
+- ~Persistency | Anonymize dependencies during packing, !2281 (@graven)
+- Update refs for GCC 12 based on lhcb-head-2/917, !2480 (@rmatev)
+- B2OC: hot fix to  b_to_ddh_standalone.py to reduce the retentions of a few problematic Spruce lines, !2477 (@abertoli)
+- Update references from lhcb-master/2067, !2473 (@rmatev)
+- Update References for: LHCb!4136, LHCb!4149, LHCb!4147, Rec!3474, Moore!2281 based on lhcb-master-mr/8401, !2468 (@lhcbsoft)
+- BandQ: Sprucing - automatic line creation, !2234 (@ipolyako)
+- RD: adding sprucing lines for BtoHll and BtoHHll, with l=e,mu, !2445 (@matzeni)
+- B2OC: Fix to BcToD(s)mPhi Sprucing lines, !2429 (@shunan)
+- RD: add flavour tagging extra_outputs for spruce line, !2224 (@yihou)