message: Disable CS1591 for xml doc comments
diff: <!-- Settings that append the existing setting value -->
  <PropertyGroup>
  <DefineConstants>$(DefineConstants);$(OS)</DefineConstants>
  - <NoWarn>$(NoWarn);NU5105</NoWarn>
  + <NoWarn>$(NoWarn);1591;NU5105</NoWarn>
  </PropertyGroup>
  <!-- Settings that are only set for CI builds -->
  