Update dotnetcore.yml

Author: ojdev

.github/workflows/dotnetcore.yml

@@ -36,5 +36,5 @@ jobs:
     - name: Add Source Github NuGet
       run: dotnet nuget add source --username ojdev --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/OWNER/index.json"
     - name: Publish Symbols to Github NuGet
-      run: dotnet nuget push artifacts/*.symbols.nupkg --api-key ${{secrets.GITHUB_NUGET_API_KEY}} --source https://api.nuget.org/v3/index.json 
+      run: dotnet nuget push artifacts/*.symbols.nupkg --api-key ${{secrets.RABBITMQ_GNUGET_API_KEY}} --source https://api.nuget.org/v3/index.json