RPC_CondCabling: Enable thread-safety checking.

Enable thread-safety checking and fix warnings.

This merge request affects 2 packages:

• MuonSpectrometer/MuonCnv/MuonEventAthenaPool
• MuonSpectrometer/MuonConditions/MuonCondCabling/RPC_CondCabling

Affected files list will not be printed in this case

Adding @rosati ,@wleight ,@stavrop ,@jojungge ,@egodden as watchers

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

CI Result SUCCESS (hash 2fcecb2b)

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

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
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 51628]

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

CHanges and CI look fine. Approving.

Kira (L1)

mentioned in merge request !52806 (closed)

mentioned in commit 500fbf8c

merged

added sweep:ignore label