Update tokio to 1.0

[louy2]

Use reqwest HEAD for now
Update bytes to 1.0
Update tokio to 1.0
Replace tokio/stream feature with tokio-stream package
Replace rt-core feature with rt feature
Rename time::delay_for with time::sleep
Update async-tungstenite to 0.11.0

Blocked on the next reqwest version.
Builds and fails no test.

test result: ok. 249 passed; 0 failed; 35 ignored; 0 measured; 0 filtered out; finished in 15.10s

Ignored tests are:

test src/builder/create_allowed_mentions.rs - builder::create_allowed_mentions::CreateAllowedMentions (line 23) ... ignored
test src/cache/cache_update.rs - cache::cache_update::CacheUpdate (line 17) ... ignored
test src/client/bridge/gateway/shard_messenger.rs - client::bridge::gateway::shard_messenger::ShardMessenger::set_presence (line 148) ... ignored
test src/client/mod.rs - client::Client::data (line 399) ... ignored
test src/framework/mod.rs - framework (line 22) ... ignored
test src/framework/standard/configuration.rs - framework::standard::configuration::Configuration::on_mention (line 387) ... ignored
test src/framework/standard/configuration.rs - framework::standard::configuration::Configuration::with_whitespace (line 151) ... ignored
test src/framework/standard/configuration.rs - framework::standard::configuration::Configuration::with_whitespace (line 159) ... ignored
test src/model/channel/guild_channel.rs - model::channel::guild_channel::GuildChannel::create_invite (line 142) ... ignored
test src/model/channel/guild_channel.rs - model::channel::guild_channel::GuildChannel::edit (line 341) ... ignored
test src/model/channel/message.rs - model::channel::message::Message::edit (line 237) ... ignored
test src/model/guild/guild_id.rs - model::guild::guild_id::GuildId::edit_member (line 316) ... ignored
test src/model/guild/guild_id.rs - model::guild::guild_id::GuildId::edit_role (line 349) ... ignored
test src/model/guild/guild_id.rs - model::guild::guild_id::GuildId::edit_role_position (line 374) ... ignored
test src/model/guild/member.rs - model::guild::member::Member::fmt (line 464) ... ignored
test src/model/guild/member.rs - model::guild::member::Member::kick (line 242) ... ignored
test src/model/guild/member.rs - model::guild::member::Member::kick_with_reason (line 278) ... ignored
test src/model/guild/member.rs - model::guild::member::Member::permissions (line 342) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::ban (line 258) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::create (line 372) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::create_channel (line 397) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::create_role (line 470) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::edit (line 567) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::edit_member (line 642) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::edit_role (line 688) ... ignored
test src/model/guild/mod.rs - model::guild::Guild::edit_role_position (line 707) ... ignored
test src/model/guild/partial_guild.rs - model::guild::partial_guild::PartialGuild::ban (line 64) ... ignored
test src/model/guild/partial_guild.rs - model::guild::partial_guild::PartialGuild::create_channel (line 120) ... ignored
test src/model/guild/partial_guild.rs - model::guild::partial_guild::PartialGuild::edit_member (line 283) ... ignored
test src/model/guild/role.rs - model::guild::role::Role::edit (line 95) ... ignored
test src/model/permissions.rs - model::permissions::PRESET_GENERAL (line 125) ... ignored
test src/model/user.rs - model::user::User::dm (line 549) ... ignored
test src/model/user.rs - model::user::User::has_role (line 591) ... ignored
test src/model/webhook.rs - model::webhook::Webhook::url (line 256) ... ignored
test src/utils/message_builder.rs - utils::message_builder::MessageBuilder::push_codeblock (line 231) ... ignored

[louy2]

Built on aarch64-apple-darwin v1.50.0-beta.1.
Towards #1021