2021-09-06 Lbcom v33r1

This version uses LHCb v53r1, Gaudi v36r0 and LCG 100 with ROOT 6.24.00.

This version is released on master branch. Built relative to Lbcom v33r0, with the following changes:

New features ~"new feature"

• ~Calo ~"MC checking" | Add new features to CaloHypoEfficiency, !577 (@cmarinbe) [Moore#302]

Code cleanups and changes to tests ~modernisation ~cleanup ~testing

• ~Decoding ~VP ~Monitoring | Follow lhcb/LHCb!3134, !571 (@graven)
• ~UT ~Monitoring | Follow changes in LHCb!3189, !575 (@graven)
• Dropped usage of (UN)LIKELY macro, !574 (@sponce)
• Avoid childBegin()/childEnd(), !572 (@graven)