Firewall failing nightlys (Post workflow status)

[LukasAud]

Describe the Bug

Our Firewall nightlys are failing at the Post Workflow Status to Slack step. Error message includes:

StatusCodeError: 404 - "channel_not_found"

Expected Behavior

Post Workflow Status to Slack should not fail and post the information in Slack correctly.

Steps to Reproduce

Steps to reproduce the behavior:

1. Run a Nightly test run
2. Inspect the error

Environment

• 3.4.0 & 3.5.0
• Nightly

[github-actions[bot]]

Hello! 👋

This issue has been open for a while and has had no recent activity. We've labelled it with attention-needed so that we can get a clear view of which issues need our attention.

If you are waiting on a response from us we will try and address your comments on a future Community Day.

Alternatively, if it is no longer relevant to you please close the issue with a comment.