Function edit_inline_message_caption 

pub async fn edit_inline_message_caption(
    inline_message_id: String,
    reply_markup: Option<ReplyMarkup>,
    caption: Option<FormattedText>,
    client_id: i32,
) -> Result<(), Error>

Edits the caption of an inline message sent via a bot; for bots only

Arguments

• inline_message_id - Inline message identifier
• reply_markup - The new message reply markup; pass null if none
• caption - New message content caption; pass null to remove caption; 0-getOption(“message_caption_length_max”) characters
• client_id - The client id to send the request to