Update push-nuget.yml

Author: JunaMeinhold

.github/workflows/push-nuget.yml

@@ -63,4 +63,4 @@ jobs:
         run: ls ./nupkgs/
 
       - name: Publish the package
-        run: dotnet nuget push ./nupkgs/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json
+        run: dotnet nuget push ./nupkgs/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate