Update http crate name (#15041)

Release Notes:

- N/A

crates/open_ai/src/open_ai.rs

@@ -1,6 +1,6 @@
 use anyhow::{anyhow, Context, Result};
 use futures::{io::BufReader, stream::BoxStream, AsyncBufReadExt, AsyncReadExt, StreamExt};
-use http::{AsyncBody, HttpClient, Method, Request as HttpRequest};
+use http_client::{AsyncBody, HttpClient, Method, Request as HttpRequest};
 use isahc::config::Configurable;
 use serde::{Deserialize, Serialize};
 use serde_json::{Map, Value};