ci: enable skip duplicate

Author: GenjiruSUchiwa

build/Build.cs

@@ -9,6 +9,7 @@
 using Nuke.Common.CI.GitHubActions;
 using Nuke.Common.IO;
 using Nuke.Common.ProjectModel;
+using Nuke.Common.Tooling;
 using Nuke.Common.Tools.DotNet;
 using Nuke.Common.Tools.GitHub;
 
@@ -115,6 +116,9 @@ public class Pipeline : EnhancedNukeBuild,
             canBeUsed: () => this is ICreateGithubRelease { GitHubToken: not null })
     ];
 
+    Configure<DotNetNuGetPushSettings> IPushNugetPackages.PublishSettings => _ => _.EnableSkipDuplicate();
+
+
     ///<inheritdoc/>
     ValueTask IGitFlow.FinishRelease()
     {