feat: upgrade pipeline to publish packages

Author: kamilbaczek

.github/workflows/chapter-3-package-workflow.yml

@@ -86,4 +86,4 @@ jobs:
           dotnet nuget push "Fitnet.Common.Api/bin/Release/EvolutionaryArchitecture.Fitnet.Common.Api.*.nupkg" --source "github" --api-key ${{ secrets.GITHUB_TOKEN }}
           dotnet nuget push "Fitnet.Common.Core/bin/Release/EvolutionaryArchitecture.Fitnet.Common.Core.*.nupkg" --source "github" --api-key ${{ secrets.GITHUB_TOKEN }}
           dotnet nuget push "Fitnet.Common.Infrastructure/bin/Release/EvolutionaryArchitecture.Fitnet.Common.Infrastructure.*.nupkg" --source "github" --api-key ${{ secrets.GITHUB_TOKEN }}
-          dotnet nuget push "Fitnet.Common.IntegrationTestsToolbox/bin/Release/EvolutionaryArchitecture.Fitnet.Common.IntegrationTestsToolbox.*.nupkg" --source "github" --api-key ${{ secrets.GITHUB_TOKEN }}
+          dotnet nuget push "Fitnet.Common.IntegrationTestsToolbox/bin/Release/EvolutionaryArchitecture.Fitnet.Common.IntegrationTestsToolbox.*.nupkg" --source ${{ env.NUGET_SOURCE_NAME }} --api-key ${{ secrets.GITHUB_TOKEN }}