Sweeping !39060 from 21.9 to master. Fix memory leak in mm digi

Fix memory leak in mm digi

See merge request !39060 (merged)

added sweep:from 21.9 label

Adding original author @pscholer as watcher.

This merge request affects 1 package:

• MuonSpectrometer/MuonDigitization/MM_Digitization

This merge request affects 6 files:

• MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_IonizationCluster.h
• MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_StripResponse.h
• MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_StripsResponseSimulation.h
• MuonSpectrometer/MuonDigitization/MM_Digitization/src/MM_IonizationCluster.cxx
• MuonSpectrometer/MuonDigitization/MM_Digitization/src/MM_StripResponse.cxx
• MuonSpectrometer/MuonDigitization/MM_Digitization/src/MM_StripsResponseSimulation.cxx

Adding @jchapman ,@rosati ,@wleight ,@vpascuzz ,@nkoehler as watchers

added Digitization MuonSpectrometer master review-pending-level-1 labels

CI Result SUCCESS (hash 71c12ee2)

	Athena	AthSimulation	AthGeneration	AnalysisBase
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 25100]

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

merged

mentioned in commit 02489305

added sweep:ignore label