Mautrix-telegram

* Dropped support for Python 3.9.
* Updated Telegram API to layer 183.
* Added support for authenticated media downloads.
* Added support for receiving reactions when using a bot account.
* Added option to limit file size by chat type.
* Fixed reply bridging breaking in some cases.

* Updated Telegram API to layer 169.
* Updated Docker image to Alpine 3.19.
* Fixed some potential cases where a portal room would be created for the
relaybot even if `ignore_unbridged_group_chat` was enabled.
* Fixed member sync in groups with hidden members causing puppeted Matrix users
to be kicked even if they're still in the group.

* Removed support for MSC2716 backfilling.
* Added `add-contact` and `delete-contact` commands.
* Updated Telegram API layer to 166.
* Includes receiving view-once media, blockquotes, quote replies and other
such things
* Fixed AuthKeyNotFound errors not being handled and causing users to get stuck
in a non-logged-in state.

* **Security:** Updated Pillow to 10.0.1.
* Added support for double puppeting with arbitrary `as_token`s.
See [docs](https://docs.mau.fi/bridges/general/double-puppeting.html#appservice-method-new) for more info.
* Added support for sending webm and tgs files as stickers.
* Updated to Telegram API layer 161.
* Fixed cached usernames for Telegram users being cleared incorrectly, leading
to mentions not being bridged as usernames.
* Fixed reaction bridging failing if the server running the bridge was rebooted
less than 12 hours ago.

Added
* Added option to delete megolm sessions that were received before the
automatic ratcheting options were introduced.
* Added config option to use IPv6 for Telegram connection
(thanks to [exciler] in [920]).

Improved
* Dropped support for Python 3.8.
* Updated Docker image to Alpine 3.18.
* Added timeout for forward backfills to prevent it from getting stuck
permanently.

Fixed
* Fixed `bridge.filter.users` config option not being read correctly.
* Fixed proxy support to use python-socks instead of pysocks.

[exciler]: https://github.com/exciler
[920]: https://github.com/mautrix/telegram/pull/920

Added
* Added fallback messages for calls and premium gifts.
* Added options to automatically ratchet/delete megolm sessions to minimize
access to old messages.
* Added option to not set room name/avatar even in encrypted rooms.
* Implemented appservice pinging using MSC2659.
* Added option to disable or filter bridging direct chats
(thanks to [Steffo99] in [892]).
* Added options to specify different limits for forward and catchup backfilling
depending on chat type.

Improved
* Improved handling logouts and certain connection errors.
* Changed reaction bridging to preserve timestamps.
* Disabled creating portals for DMs that don't have any messages when
`sync_direct_chats` is enabled.

Fixed
* Fixed syncing mute status when portal is created through incoming message
rather than in startup sync.
* Fixed bridge incorrectly trusting member list and kicking users when
supergroup has member list hidden.
* Fixed sending messages after creating groups from Matrix using relaybot
instead of puppet (thanks to [maltee1] in [902]).

[Steffo99]: https://github.com/Steffo99
[maltee1]: https://github.com/maltee1
[892]: https://github.com/mautrix/telegram/pull/892
[902]: https://github.com/mautrix/telegram/pull/902