Unpin

[Twilight-Killer]

I am sure the error is coming from Bot's code and not elsewhere.

• I am sure the error is coming from Bot's code and not elsewhere.
• I have searched in the issue tracker for similar bug reports, including closed ones.
• I ran go run main.go in the project root and reproduced the issue using the latest development version.
• I am not here to spam and show that I'm stupid.

Reproduction steps

the bot does not unpin messages in groups

Error Traceback

Replied message is not a pinned message.