Process every xml report

Author: jjppp

.github/workflows/checkstyle.yml

@@ -34,4 +34,6 @@ jobs:
         env:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          cat build/reports/checkstyle/*.xml | reviewdog -f=checkstyle -reporter=github-pr-review -fail-level=any
+          for xmlReport in {.,integration-tests}/build/reports/checkstyle/*.xml; do \
+            (cat $xmlReport | reviewdog -f=checkstyle -fail-level=any) || exit; \
+          done