chore: Fix clippy violations from Cargo.toml (#15216)

/cc @maxdeviant 
Release Notes:

- N/A

crates/collab/src/tests/following_tests.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::reversed_empty_ranges)]
 use crate::{rpc::RECONNECT_TIMEOUT, tests::TestServer};
 use call::{ActiveCall, ParticipantLocation};
 use client::ChannelId;