ci: integrate Codecov upload and enable xml report

Author: parksomii

.github/workflows/ci.yml

@@ -34,3 +34,9 @@ jobs:
       with:
         name: jacoco-html-report
         path: build/reports/jacoco/test/html
+
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+

build.gradle

@@ -60,7 +60,7 @@ jacoco {
 jacocoTestReport {
     dependsOn test
     reports {
-        xml.required.set(false)
+        xml.required.set(true)
         csv.required.set(false)
         html.required.set(true)
     }