Resolve "Compile CTA using devtoolset-11"

.gitlab/ci/build.gitlab-ci.yml

.gitlab/ci/tagged.gitlab-ci.yml

ReleaseNotes.md

catalogue/DropSchemaCmd.cpp

catalogue/TapeDrivesCatalogueState.hpp

catalogue/interfaces/TapeFileCatalogue.hpp

common/dataStructures/LifecycleTimings.cpp

common/dataStructures/LifecycleTimings.hpp

common/dataStructures/MountPolicy.cpp

common/dataStructures/MountPolicy.hpp

common/dataStructures/RetrieveFileQueueCriteria.cpp

common/dataStructures/RetrieveFileQueueCriteria.hpp

...sintegration/buildtree_runner/eos/buildEosDependencies.sh

...ion/buildtree_runner/vmBootstrap/InstallCTAEnvironment.md

...sintegration/buildtree_runner/vmBootstrap/bootstrapCTA.sh

...tegration/buildtree_runner/vmBootstrap/bootstrapSystem.sh

frontend-grpc/RequestMessage.hpp

frontend/common/Config.hpp

objectstore/ArchiveFileSerDeser.hpp

objectstore/ArchiveRequest.cpp