Update dotnet-sdk to use 3.0.1X line, instead of 3.0.0
Update dotnet-sdk to use 3.0.1X line, instead of 3.0.0

[#168706196]

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci