TrigT1CaloByteStream: Make JepByteStream tools const.

Make interfaces of JepByteStream*Tool tools const, for MT compatibility.

This merge request affects 1 package:

• Trigger/TrigT1/TrigT1CaloByteStream

Adding @kwhalen ,@afaulkne as watchers

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 87be0bde)

	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 22347]

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

merged

mentioned in commit 38c62cf3

added sweep:ignore label