0.21.1

Telegram Bot API 10.1 support 🎉

• New #200: Add RichText interface and 25 rich text types: RichTextBold, RichTextItalic, RichTextUnderline,
  RichTextStrikethrough, RichTextSpoiler, RichTextDateTime, RichTextTextMention, RichTextSubscript,
  RichTextSuperscript, RichTextMarked, RichTextCode, RichTextCustomEmoji, RichTextMathematicalExpression,
  RichTextUrl, RichTextEmailAddress, RichTextPhoneNumber, RichTextBankCardNumber, RichTextMention,
  RichTextHashtag, RichTextCashtag, RichTextBotCommand, RichTextAnchor, RichTextAnchorLink,
  RichTextReference, RichTextReferenceLink.
• New #200: Add RichBlockCaption, RichBlockTableCell, and RichBlockListItem types.
• New #200: Add RichBlock interface and 21 rich block types: RichBlockParagraph, RichBlockSectionHeading,
  RichBlockPreformatted, RichBlockFooter, RichBlockDivider, RichBlockMathematicalExpression,
  RichBlockAnchor, RichBlockList, RichBlockBlockQuotation, RichBlockPullQuotation, RichBlockCollage,
  RichBlockSlideshow, RichBlockTable, RichBlockDetails, RichBlockMap, RichBlockAnimation,
  RichBlockAudio, RichBlockPhoto, RichBlockVideo, RichBlockVoiceNote, RichBlockThinking.
• New #200: Add RichMessage type.
• New #200: Add InputRichMessage and InputRichMessageContent types.
• New #200: Add SendRichMessage and SendRichMessageDraft methods.
• New #200: Add richMessage parameter to EditMessageText method.
• New #200: Add richMessage field to Message type.
• New #200: Add supportsJoinRequestQueries field to User type.
• New #200: Add guardBot field to ChatFullInfo type.
• New #200: Add queryId field to ChatJoinRequest type.
• New #200: Add AnswerChatJoinRequestQuery and SendChatJoinRequestWebApp methods.
• New #200: Add Link type.
• New #200: Add link field to PollMedia type.
• New #200: Add InputMediaLink type.
• Enh #200: Make text parameter of EditMessageText method optional.