Update coverage pattern in .gitlab-ci.yml file

The coverage pattern has been updated in the .gitlab-ci.yml file. The change made was to remove the special wildcard characters from the start of the regex pattern. This modification improves pattern recognition for the coverage report.

.gitlab-ci.yml

@@ -5,7 +5,7 @@ pytest:
     - apt-get install -y python3-dev python3-pip graphviz graphviz-dev
     - pip install '.[test]'
     - pytest --cov --cov-report xml:coverage.xml
-  coverage: '*TOTAL.*\s+(\d+%)$*'
+  coverage: TOTAL.*\s+(\d+%)$
   artifacts:
     reports:
       coverage_report: