Improve code coverage reports with added logs and fixed HTML/XML generation

[OlenaYefymenko]

• Change condition of generation HTML report for review coverage analysis;
• Fix double output in the coverage report;
• Add logs for HTML and XML reports generation and configured fail_under;

Ref #18

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (83166dc) to head (ffa7630).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #43   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines          118       118           
  Branches         6         6           
=========================================
  Hits           118       118           

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[webknjaz]

@OlenaYefymenko it's better to only use the imperative mood in the PR/commit title lines but not in the long description prose.

[webknjaz]

Also, the PR title lists many things now while it's best to have exactly one thing that it does mentioned.