Dispatched when a voice channel's session start time changes: someone joined an empty channel,
or the last person left (voice_start_time: nil).
Summary
Functions
Converts a raw Discord payload into this event struct.
Types
@type t() :: %EDA.Event.VoiceChannelStartTimeUpdate{ channel_id: String.t() | nil, guild_id: String.t() | nil, voice_start_time: DateTime.t() | nil }