Args:
file_key (str): The file key found in the shared Figma URL, e.g. if url is https://www.figma.com/proto/do4pJqHwNwH1nBrrscu6Ld/Untitled?page-id=0%3A1&node-id=0-3&viewport=361%2C361%2C0.08&t=9SVttILbgMlPWuL0-1&scaling=min-zoom&content-scaling=fixed&starting-point-node-id=0%3A3, then the file key is do4pJqHwNwH1nBrrscu6Ld
Returns:
list[dict]: List of workflow connections found in the Figma file