Revert "using windows-2019 for azure pipelines"
Revert "using windows-2019 for azure pipelines"

This reverts commit d0500dd1e2896e172bc84ff64a25a7217a34ece3.

ermshiperete/GitVersion,asbjornu/GitVersion,asbjornu/GitVersion,GitTools/GitVersion,dazinator/GitVersion,ermshiperete/GitVersion,GitTools/GitVersion,dazinator/GitVersion,ermshiperete/GitVersion,gep13/GitVersion,gep13/GitVersion,ParticularLabs/GitVersion,ParticularLabs/GitVersion,ermshiperete/GitVersion