code: public Tag updateTag(UUID projectId, UUID tagId, Tag updatedTag) {
          return updateTagWithServiceResponseAsync(projectId, tagId, updatedTag).toBlocking().single().body();
      }
docs: Update a tag.
  
  @param projectId The project id
  @param tagId The id of the target tag
  @param updatedTag The updated tag model
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the Tag object if successful.