Solve 50+ cargo doc warnings (#24071)

Release Notes:

- N/A

crates/http_client/src/async_body.rs

@@ -8,7 +8,7 @@ use bytes::Bytes;
 use futures::AsyncRead;
 
 /// Based on the implementation of AsyncBody in
-/// https://github.com/sagebind/isahc/blob/5c533f1ef4d6bdf1fd291b5103c22110f41d0bf0/src/body/mod.rs
+/// <https://github.com/sagebind/isahc/blob/5c533f1ef4d6bdf1fd291b5103c22110f41d0bf0/src/body/mod.rs>.
 pub struct AsyncBody(pub Inner);
 
 pub enum Inner {