serenity-rs/serenity v0.12.3 on GitHub

Thanks to the following for their contributions:

#2894 Message(Id)::link_ensured can be replaced by Message(Id)::link if recieved via event, or MessageId::link if the message was recieved via a HTTP request.
#2905 CreateInteractionResponse::PremiumRequired has been deprecated and replaced with Premium Buttons.
#3030 GuildChannel::permissions_for_user has been deprecated, use the new Message::author_permissions helper or Guild::user_permissions_in.

#2891 Guild Incident message types have been added to MessageType.
#2913 CreateButton now implements From<Button>.
#2914 User::display_name has been added, as users may have two different names now.
#2920 Support for Application Emojis has been added, getting rid of those "emoji servers" many bots required.
#2905 Support for Premium Buttons has been added, which link to the store page of a chosen SKU.
#2926 A method to get the role icon URL has been added.
#2939 Some missing fields have been added to to CurrentApplicationInfo.
#2946 Support for the Get Guild Role endpoint has been added.
#2960 Support for the Get Sticker Pack by Id endpoint has been added.
#2962 Some missing entries in GuildMemberFlags have been added.
#2950 The missing USE_EXTERNAL_APPS permission has been added.
#2987 A builder for the Get Entitlements endpoint has been added.
#2996 MessageReferenceKind has been added to start supporting forwarding.
#3001 {PartialGuild, Guild}::partial_member_permissions has been added for more efficent permissions checking
#3013 Interaction responses can now send polls.
#3018 User App support has been stablised, usable without unstable_discord_api.
#3021 Support for Entry Point Commands has been added.
#3030 A Message::author_permissions helper has been added, alongside Permissions::dm_permissions.

#2887, #2893
Messages with reactions no longer fail to deserialize due to super reaction changes.
#2917 Application no longer fails to deserialize with unstable_discord_api
#3032 Guilds with an @everyone role at position -1 no longer fail to deserialise.

#2886 A typo has been fixed in GuildId::members_iter documentation.
#2906 CreateAttachment documentation has been updated to be more consistent with other builders.
#2911 CreateEmbedAuthor documentation can now spell embed correctly.
Pushed to Current AuthorizingIntegrationOwners is now usable, as the field was previously private.
#2945 (Partial)Guild::member_permissions is now usable without cache.
#2973 ChannelId::delete_messages documentation has been expanded to document the single item case.
#2959 The rules for attachment names for local attachments in embeds have now been documented.
#3005 The fields of BulkBanResponse have been made public.
#3006 The bulk_ban endpoint is now usable, previously unusable due to Send issues.