Update upload-artifact action to version 6 for test and coverage reports

Author: brunoborges

.github/workflows/build-test.yml

@@ -76,15 +76,15 @@ jobs:
         uses: ./.github/actions/test-report
 
       - name: Upload Test Reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: test-reports
           path: target/surefire-reports/
           retention-days: 14
 
       - name: Upload Coverage Report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: coverage-report