fix: disable problematic test reporter in GitHub Actions

- Comment out dorny/test-reporter to avoid XML parsing errors
- Keep artifact upload for manual review of test results
- Tests still run and pass, just without fancy reporting

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: skitsanos

.github/workflows/ci.yml

@@ -118,10 +118,10 @@ jobs:
           path: test-results/
           retention-days: 30
 
-      - name: Publish test results
-        uses: dorny/test-reporter@v2
-        if: always()
-        with:
-          name: API Tests
-          path: test-results/hurl/results.xml
-          reporter: java-junit
+      # - name: Publish test results
+      #   uses: dorny/test-reporter@v2
+      #   if: always()
+      #   with:
+      #     name: API Tests
+      #     path: test-results/hurl/results.xml
+      #     reporter: java-junit