Add '--ucr' option to publish arguments

It tells the SDK to use the Runtime Identifier (RID) of the machine where the command is running as the target runtime for the publish, so we can avoid having to specify the target RID.

Author: kzu

src/go/ProcessRunner.cs

@@ -12,7 +12,7 @@ public static Task<int> PublishAsync(string dotnet, string cs, string config, st
             ["CustomAfterMicrosoftCSharpTargets"] = targets,
         };
 
-        var arguments = new List<string> { "publish", cs };
+        var arguments = new List<string> { "publish", "--ucr", cs };
         if (publishArgs is not null)
             arguments.AddRange(publishArgs);