MuonCondDump: Fix clang warnings.

Binding references to temporariesa in range-for.

This merge request affects 1 package:

• MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondDump

This merge request affects 1 file:

• MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondDump/src/MdtCalibJsonDumpAlg.cxx

Adding @jojungge ,@apsallid ,@pscholer ,@mvozak ,@kluit ,@stavrop as watchers

added MuonSpectrometer main review-pending-level-1 labels

CI Result SUCCESS (hash 72349e46)

	Athena
externals
cmake
make
tests

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merged

mentioned in commit 3e7d30f9