EventInfo+xAODTau+TrigConfIO+MuonEventTPCnv: Fix clang 10 warnings.

Avoid spurious object copy in range for.

This merge request affects 4 packages:

• Event/EventInfo
• Event/xAOD/xAODTau
• MuonSpectrometer/MuonCnv/MuonEventTPCnv
• Trigger/TrigConfiguration/TrigConfIO

Adding @martindl ,@rosati ,@wleight ,@orlando ,@xiaozhon ,@cmorenom ,@mark ,@akraszna ,@adbailey ,@asonay ,@nkoehler ,@rbianchi as watchers

added EDM MuonSpectrometer Tau Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash d9634879)

	Athena	AthSimulation	AnalysisBase	AthGeneration
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 7
AthSimulation: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 16727]

added review-approved label

merged

mentioned in commit 34e3b0fc

removed review-pending-level-1 label

added sweep:ignore label