Update ci.yaml

Author: khs1994

.github/workflows/ci.yaml

@@ -98,7 +98,7 @@ jobs:
           echo 'FROM --platform=${TARGETPLATFORM} alpine' > Dockerfile
           echo 'RUN set -x ; apk add --no-cache curl' >> Dockerfile
 
-          ls -la ${DOCKER_CONFIG}
+          cat ${DOCKER_CONFIG}/config.json
 
           tag=${version:-19.03}-${channel:-stable}-${os}
           docker buildx build \