Cpp extension can not use old clang format

Feature request for product/service

Anysphere Extensions (Remote SSH, Python, Dev Containers, WSL, C/C++/C#)

Describe the request

cpp extension from official can not set the path to old version of clang format like 5.1.0 which my project need, and it produce diff result compare to what clang format 5.1.0 should have.