Add --configfile option to dotnet nuget push command (#47126)

Author: martinrrm

src/Cli/dotnet/commands/dotnet-nuget/NuGetCommandParser.cs

@@ -94,6 +94,7 @@ private static CliCommand GetPushCommand()
             pushCommand.Options.Add(new CliOption<bool>("--no-service-endpoint"));
             pushCommand.Options.Add(new CliOption<bool>("--interactive"));
             pushCommand.Options.Add(new CliOption<bool>("--skip-duplicate"));
+            pushCommand.Options.Add(new CliOption<string>("--configfile"));
 
             pushCommand.SetAction(NuGetCommand.Run);
 

test/dotnet.Tests/CommandTests/CompleteCommandTests.cs

@@ -182,6 +182,7 @@ public void GivenNuGetPushCommandItDisplaysCompletions()
         {
             var expected = new[] {
                 "--api-key",
+                "--configfile",
                 "--disable-buffering",
                 "--force-english-output",
                 "--help",