Sweeping !42873 from 21.2 to master. DL2 umami

DL2 umami

See merge request !42873 (merged)

added sweep:from 21.2 label

Adding original author @mguth as watcher.

This merge request affects 3 packages:

• Control/AthenaConfiguration
• Control/CxxUtils
• PhysicsAnalysis/JetTagging/FlavorTagDiscriminants

Affected files list will not be printed in this case

Adding @ssnyder ,@rbianchi as watchers

added Analysis BTagging Core JetEtmiss master review-pending-level-1 labels

CI Result SUCCESS (hash 53f17fcc)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 32560]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit a9780904

added sweep:ignore label