chore: fix wrong keywords in comment (#2885)

Signed-off-by: dashangcun <907225865@qq.com>

crates/dojo/utils/src/tx/waiter.rs

@@ -42,7 +42,7 @@ pub enum TransactionWaitingError {
 /// # Examples
 ///
 /// ```ignore
-/// ues url::Url;
+/// use url::Url;
 /// use starknet::providers::jsonrpc::HttpTransport;
 /// use starknet::providers::JsonRpcClient;
 /// use starknet::core::types::TransactionFinalityStatus;