change to return an Err on an unknown status code instead of Ok

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "exponential_backoff"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/twitch.rs

@@ -113,7 +113,7 @@ pub async fn check_backoff_twitch_with_client(
             _ => {
                 warn!("Unhandled status code: {}", status_code);
                 // todo!("Handle other errors")
-                return Ok(response);
+                return Err(format!("got an unhandled status code: {} in response: {:?}" , status_code, response).into());
             }
         }
     }