Update Konflux references to b78123a

[red-hat-konflux]

This PR contains the following updates:

Package	Change
quay.io/konflux-ci/tekton-catalog/task-rpms-signature-scan	e603b3d -> b78123a

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.44%. Comparing base (13484d0) to head (1d8f0e4).
Report is 284 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1493      +/-   ##
==========================================
- Coverage   36.81%   36.44%   -0.38%     
==========================================
  Files         158      157       -1     
  Lines        2548     2541       -7     
  Branches      599      608       +9     
==========================================
- Hits          938      926      -12     
  Misses       1428     1428              
- Partials      182      187       +5     

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