[Fabric 1.20.2] 4.2.4

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4.2.4 update

Support for 1.20.6
Fix errors when relaying webhook messages (closes #105)
Fix error when using webhook in thread channel (closes #107)
Prevent some bot disconnected/resuming connection errors
Support animated emoji + lower case all emote name (closes #102)
Fix error if webhook is duplicated (closes #101)
Fix Discord bot crash when some bots send embed only message (no text content) with relay bot message turned on