message: Update ImageHelper to v9.238
  Closes
diff: @@ -34,6 +34,15 @@ declare class ImageHelper {
  * @returns A base64 png string of the texture
  */
  static textureToImage(texture: PIXI.Texture): string;
  +
  + /**
  + * Asynchronously convert a DisplayObject container to base64 using Canvas#toBlob and FileReader
  + * @param target - A PIXI display object to convert
  + * @param type - The requested mime type of the output, default is image/png
  + * @param quality - A number between 0 and 1 for image quality if image/jpeg or image/webp
  + * @returns A processed base64 string
  + */
  + static pixiToBase64(target: PIXI.DisplayObject, type: string, quality: number): Promise<string>;
  }
  declare namespace ImageHelper {
  