This function updates the metadata of an existing YouTube video using the YouTube Data API.
Usage
update_video_metadata(
  video_id,
  title,
  category_id,
  description,
  privacy_status,
  made_for_kids
)Arguments
- video_id
- A character string specifying the ID of the video you want to update. 
- title
- A character string specifying the new title for the video. 
- category_id
- A character string specifying the new category ID for the video. 
- description
- A character string specifying the new description for the video. 
- privacy_status
- A character string specifying the new privacy status for the video ('public', 'private', or 'unlisted'). 
- made_for_kids
- A boolean specifying whether the video is self-declared as made for kids.