Update version of package in PrebuiltBaseline to 5.11.6#12173

YuliiaKovalova merged 2 commits intovs16.11dotnet/msbuild:vs16.11from

update-16.11-Microsoft.Build.NuGetSdkResolver-to-5.11.2-rc.2dotnet/msbuild:update-16.11-Microsoft.Build.NuGetSdkResolver-to-5.11.2-rc.2Copy head branch name to clipboard