Slack notification for Release Environment pipelines' result

To improve the visibility and usability of Release Environment, its pipelines' result should be posted on Slack, ideally similar to what we are doing with staging/prod environments (see the screenshot below).

Workflow

Please see this as a part of the workflow of Release Environments.

Exit Criteria

• Slack notifications are sent when release environment pipelines succeed/fail
  • The notification has a link to the pipeline
  • (Optional) The notification has a link to the failed job with the job name
• The notification informs if the QA fails.