chore: correct the spelling error (#29)

Author: iutx

LICENSE

@@ -1,7 +1,7 @@
 Copyright (C) 2023 THL A29 Limited, a Tencent company.  All rights reserved. The below software in this distribution may have been modified by THL A29 Limited ("Tencent Modifications"). 
 All Tencent Modifications are Copyright (C) THL A29 Limited.
 
-tPRC is licensed under the Apache License Version 2.0 except for the third-party components listed below.
+tRPC is licensed under the Apache License Version 2.0 except for the third-party components listed below.
 
 Apache License