Use ReportGenerator to visualize code coverage in build summary

[Bertk]

@MarcoRossignoli @tonerdo
Please add build task ReportGenerator in azure devops organization coverlet-coverage.

This allows to add code coverage results like it is done here: codecoverage-tab

[Bertk]

@MarcoRossignoli

This GitHub action might be useful. Many issues are outdated (e.g. framework not supported anymore) or no activity since 1 year.

https://docs.github.com/en/actions/managing-issues-and-pull-requests/closing-inactive-issues

#1522

[Bertk]

PR #1513 has solution for Azure DevOps pipeline coverage report. It is using dotnet-reportgenerator-globaltool instead of reportgenerator pipeline task.

[Bertk]

Coverage report is created with dotnet reportgenerator tool and the pipeline task is not required.

https://github.com/coverlet-coverage/coverlet/blob/master/eng/publish-coverage-results.yml