skip duplicate nuget

Author: pablocar80

.github/workflows/publish.yml

@@ -14,4 +14,4 @@ jobs:
       - name: Pack
         run: dotnet pack CSharpAPI.csproj -c Release -o ./nupkg
       - name: Push to NuGet Packages
-        run: dotnet nuget push "./nupkg/*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source "https://api.nuget.org/v3/index.json"
+        run: dotnet nuget push "./nupkg/*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source "https://api.nuget.org/v3/index.json" --skip-duplicate