[repack] Improved repack ls tabular output

ReleaseNotes.md

cmdline/CtaAdminTextFormatter.cpp

cmdline/CtaAdminTextFormatter.hpp

common/dataStructures/RepackInfo.hpp

cta.spec.in

objectstore/GarbageCollectorTest.cpp

objectstore/RepackRequest.cpp

objectstore/RepackRequest.hpp

objectstore/cta.proto

scheduler/OStoreDB/OStoreDB.cpp

scheduler/Scheduler.cpp

scheduler/SchedulerDatabase.hpp

xroot_plugins/XrdCtaRepackLs.hpp

xroot_plugins/XrdSsiCtaRequestMessage.cpp

xrootd-ssi-protobuf-interface