Merge branch 'ExternalsUpdates-master-20201027' into 'master'

Control/AthenaConfiguration/python/ComponentAccumulator.py

...nDetValidation/PixelRTT/Application/doPixelValidation.cxx

Projects/AnalysisBase/externals.txt

Projects/AthDataQuality/externals.txt

Projects/AthGeneration/externals.txt

Projects/AthSimulation/externals.txt

Projects/Athena/externals.txt

Projects/VP1Light/externals.txt

Tools/PyJobTransforms/python/trfExe.py

Tools/PyJobTransforms/python/trfUtils.py

...rigValidation/TrigValTools/python/TrigValSteering/Step.py

...rigValidation/TrigValTools/python/TrigValSteering/Test.py

Trigger/TriggerCommon/TrigEDMConfig/python/TriggerEDM.py