### Describe the enhancement requested This issue is an enhancement follow up from this comment: https://github.com/apache/arrow/pull/42034#issuecomment-2158594109 Based on the discussion: Vendoring it should be trivial: there is [a single .h file](https://github.com/python/pythoncapi-compat/blob/main/pythoncapi_compat.h). ### Component(s) C++, Python
Describe the enhancement requested
This issue is an enhancement follow up from this comment: #42034 (comment)
Based on the discussion:
Vendoring it should be trivial: there is a single .h file.
Component(s)
C++, Python