Update pytest and coverage commands in GitLab CI

The pytest command in the GitLab CI configuration has been updated to also generate a coverage report. Additionally, the coverage reporting syntax has been altered to specifically target the Cobertura coverage format and specify the path for the coverage.xml file.

.gitlab-ci.yml

@@ -5,11 +5,13 @@ pytest:
     - apt-get install -y python3-dev python3-pip graphviz graphviz-dev
     - pip install pytest
     - pip install .
-    - pytest --cov=cooperative_cuisine
+    - pytest --cov --cov-report term --cov-report xml:coverage.xml
+  coverage: '/(?i)total.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/'
   artifacts:
-    when: always
     reports:
-      cobertura: coverage.xml
+      coverage_report:
+        coverage_format: cobertura
+        path: coverage.xml
 
 pages:
   script: