Separate test report collection from the main target

[yurishkuro]

Which problem is this PR solving?

• When the tests fail, the target test-report is never run and thus no summary can be created

Description of the changes

• Invoke the target from the GH workflow as an explicit if: always() step

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (84e7b69) 95.55% compared to head (d9e2b3e) 95.53%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5061      +/-   ##
==========================================
- Coverage   95.55%   95.53%   -0.02%     
==========================================
  Files         313      313              
  Lines       18160    18160              
==========================================
- Hits        17352    17349       -3     
- Misses        647      649       +2     
- Partials      161      162       +1     

Flag	Coverage Δ
cassandra-3.x	25.61% <ø> (ø)
cassandra-4.x	25.61% <ø> (ø)
elasticsearch-5.x	19.87% <ø> (-0.02%)	⬇️
elasticsearch-6.x	19.88% <ø> (ø)
elasticsearch-7.x	20.00% <ø> (-0.02%)	⬇️
elasticsearch-8.x	20.11% <ø> (ø)
grpc-badger	19.50% <ø> (ø)
kafka	14.10% <ø> (ø)
opensearch-1.x	20.02% <ø> (ø)
opensearch-2.x	20.00% <ø> (ø)
unittests	93.19% <ø> (-0.02%)	⬇️

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[albertteoh]

Thanks!