add coverage report upload to github

src/Umbraco.Web.UI.Client/.github/workflows/build_test.yml

@@ -33,3 +33,17 @@ jobs:
     - run: npm run build
     - run: sudo npx playwright install-deps
     - run: npm test
+    - name: Report code coverage
+      uses: zgosalvez/github-actions-report-lcov@v1
+      with:
+        coverage-files: coverage/lcov.*.info
+        minimum-coverage: 90
+        artifact-name: code-coverage-report
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        working-directory: apps/my-first-app
+    - uses: actions/upload-artifact@v2
+      if: always()
+      with:
+        name: coverage-report
+        path: coverage/lcov-report/
+        retention-days: 30