CI: maven: show more errors

Author: mr-c

.github/workflows/ci-build.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Coverage report
         run: |
           mvn prepare-package -DskipTests=true
-          mvn jacoco:report coveralls:report --no-transfer-progress -DrepoToken=$COVERALLS_SECRET -DpullRequest=${{ github.event.number }}
+          mvn --errors jacoco:report coveralls:report --no-transfer-progress -DrepoToken=$COVERALLS_SECRET -DpullRequest=${{ github.event.number }}
         env:
           CI_NAME: github
-          COVERALLS_SECRET: ${{ secrets.GITHUB_TOKEN }}
+          COVERALLS_SECRET: ${{ secrets.GITHUB_TOKEN }}