fix(ci): fail integration-tests-passed when tests don't pass

[programmer04]

PR #867 bumped image from 3.3.-alpine to 3.4-alpine despite failures in tests (this and that) it was successfully merged.

This PR fixes it, it should not allow merge when any test fails, a fix for a bump of the image is in

• fix: change Kong Gateway Enterprise default image to Ubuntu #868

[programmer04]

Failed as expected see - rebasing on main that includes #868 to pass all tests

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (34c766a) 60.08% compared to head (a71f9cd) 52.08%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #869      +/-   ##
==========================================
- Coverage   60.08%   52.08%   -8.01%     
==========================================
  Files          49       49              
  Lines        4024     4024              
==========================================
- Hits         2418     2096     -322     
- Misses       1301     1663     +362     
+ Partials      305      265      -40     

Flag	Coverage Δ
integration-test	52.08% <ø> (-8.01%)	⬇️

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see 6 files with indirect coverage changes

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