Update push_nuget.yml

Author: Misaka-ZeroTwo

.github/workflows/push_nuget.yml

@@ -46,7 +46,7 @@ jobs:
 
     - name: Push NuGet
       shell: pwsh
-      run: nuget push ${{ env.PackageFile }} -ApiKey ${{ secrets.NUGET_API_KEY }} -Source https://api.nuget.org/v3/index.json --skip-duplicate
+      run: nuget push ${{ env.PackageFile }} -ApiKey ${{ secrets.NUGET_API_KEY }} -Source https://api.nuget.org/v3/index.json -SkipDuplicate
 
     - name: Push generated package to GitHub registry
       run: dotnet nuget push ${{ env.PackageFile }} -k ${{ secrets.GITHUB_TOKEN }} -s https://nuget.pkg.github.com/ExMod-Team/index.json --skip-duplicate