Merge pull request 'update coverage: add cov.combine()' (#11) from dev into master

Reviewed-on: https://chacha.ddns.net/gitea/chacha/chacha_cicd_helper/pulls/11
new-tag:0.3.1

src/chacha_cicd_helper/unit_test.py

@@ -63,6 +63,7 @@ class cl_unit_test(cl_helper_withresults_base):
         if cls.enable_coverage_check is True:
             cov.stop()
             cov.save()
+            cov.combine()
             cov.html_report(directory=str(CoverageReportPath))
             cov.xml_report(outfile=str(CoverageReportPath / f"{cls.CoverageReportName}.xml"))