ROX-30649: Add target_branch to the Konflux Slack notification

[tommartensen]

Description

And trigger a failure.

Checklist

• Investigated and inspected CI test results
• Updated documentation accordingly

Automated testing

• Added unit tests
• Added integration tests
• Added regression tests

If any of these don't apply, please comment below.

Testing Performed

TODO(replace-me)
Use this space to explain how you tested your PR, or, if you didn't test it, why you did not do so. (Valid reasons include "CI is sufficient" or "No testable changes")
In addition to reviewing your code, reviewers must also review your testing instructions, and make sure they are sufficient.

For more details, ref the Confluence page about this section.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 28.83%. Comparing base (8e39a67) to head (aaa1a07).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2396   +/-   ##
=======================================
  Coverage   28.83%   28.83%           
=======================================
  Files          96       96           
  Lines        5799     5799           
  Branches     2551     2551           
=======================================
  Hits         1672     1672           
  Misses       3408     3408           
  Partials      719      719           

Flag	Coverage Δ
collector-unit-tests	28.83% <ø> (ø)

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