ci: add JaCoCo XML report path for Codecov upload

Codecov auto-detection only looks for gcov/Python coverage files, not JaCoCo XML. Explicitly specify the glob pattern to upload jacocoTestReport.xml from all subprojects.

Author: white

.github/workflows/ci.yml

@@ -39,6 +39,7 @@ jobs:
         uses: codecov/codecov-action@v7
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
+          files: '**/build/reports/jacoco/test/jacocoTestReport.xml'
           fail_ci_if_error: false
 
       - name: Upload test reports