Messaging API Update - November 2021

[tkgauri]

News: https://developers.line.biz/en/news/2021/11/09/messaging-api-update/

• [ ] You can now retrieve the text entered by the user in a message sticker
• [x] You can now retrieve up to 1000 user IDs of friends

[zenizh]

It is now possible to specify the number of user IDs of friends by #246.