Signalbot

* Allow using username as receiver( 101) Thanks Faustasm
* Ensure running asyncio tasks never get garbage collected (102)
* Allow registering commands to group names (103)
* Better error handling and type hints (104 and 75d5a12d661ba9b7a9651b9deb83801b2a5a87ea)

* Allow using group name as receiver (98)
* Fix crash with replies to messages containing mentions (96)
* Use phonenumbers library to check if a recipient id is a phone number (95) Thanks Kariton
* Fix parse attachments for sync messages (94)
* Preserve Raw Message in Message Parser (93) Thanks CanardConfit
* Add regex_triggered decorator for matching regular expressions (87) Thanks grantbacon
* Fix for new groups created after bot start up (82) Thanks sehaas
* Allow updating contact and group data (83 and 84)

* Hotfix, remove hard dependency on python > 3.13, revert back to >=3.9

- Pin and update dependencies (73) Thanks joe128
- Make Command an abstract class (68)
- Add comment to explain how to use mentions (77)
- Enable getting attachments when receiving a message (67)
- Enable access to the local file name of received attachments (70)