[CHORES] Add coverage artifact in .gitlab-ci.yml

.gitlab-ci.yml

@@ -18,6 +18,9 @@ test:
     - yarn install
   script:
     - yarn test --coverage --watchAll=false --verbose --collectCoverageFrom="src/**/*.tsx"
+  artifacts:
+    paths:
+      - coverage
 
 sonar-scanner:
   image: