BE API v6

[didoda]

This updates tests php githup workflow to launch tests againt bedita api version 6.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.80%. Comparing base (c252a46) to head (a0066b2).
⚠️ Report is 24 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1330      +/-   ##
============================================
- Coverage     99.82%   99.80%   -0.02%     
- Complexity     1449     1452       +3     
============================================
  Files           101      101              
  Lines          5642     5663      +21     
============================================
+ Hits           5632     5652      +20     
- Misses           10       11       +1     

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