Moves build into scale sets pool (#6471) (#6497)
Moves build into scale sets pool (#6471) (#6497)

Context
Applying https://devdiv.visualstudio.com/DefaultCollection/DevDiv/_wiki/wikis/DevDiv.wiki/12566/Using-Scale-Set-pools-for-Build-Pipelines?anchor=drop-to-an-onprem-server

Changes Made
.vsts-dotnet.yml updated, few tasks versions bumped up

Testing
run in azdo exp branch

Co-authored-by: Roman Konecny <6f22dd73d7df003775eb0e5fcece30722f6e23da@microsoft.com>
sean-gilliam/msbuild,rainersigwald/msbuild,AndyGerlicher/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild