fix(skopeo): authenticate with skopeo inspect

templates/gitlab-ci-docker.yml

@@ -670,7 +670,7 @@ docker-publish:
       fi
       skopeo copy --src-authfile /skopeo/.docker/src-config.json --dest-authfile /skopeo/.docker/dest-config.json ${DOCKER_PUBLISH_ARGS} docker://$DOCKER_SNAPSHOT_IMAGE docker://$DOCKER_RELEASE_IMAGE
       log_info "Well done your image is published and can be downloaded by doing: docker pull $DOCKER_RELEASE_IMAGE"
-    - docker_digest=$(skopeo inspect --format='{{ .Digest }}' "docker://$DOCKER_RELEASE_IMAGE")
+    - docker_digest=$(skopeo inspect --authfile /skopeo/.docker/dest-config.json --format='{{ .Digest }}' "docker://$DOCKER_RELEASE_IMAGE")
     - docker_repository=${DOCKER_RELEASE_IMAGE%%:*}
     - docker_tag=${DOCKER_RELEASE_IMAGE#*:}
     - echo "docker_image=$DOCKER_RELEASE_IMAGE" > docker.env