message: ci: fix docker image tagging for release case
diff: @@ -15,7 +15,7 @@ docker build --build-arg SPECKLE_SERVER_VERSION=$IMAGE_VERSION_TAG -t $DOCKER_IM
  docker tag $DOCKER_IMAGE_TAG:latest $DOCKER_IMAGE_TAG:$IMAGE_VERSION_TAG
  if [[ "$IMAGE_VERSION_TAG" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
  - docker tag $DOCKER_IMAGE_TAG:2
  + docker tag $DOCKER_IMAGE_TAG:latest $DOCKER_IMAGE_TAG:2
  fi
  echo "$DOCKER_REG_PASS" | docker login -u "$DOCKER_REG_USER" --password-stdin $DOCKER_REG_URL
  