gh-106320: Move private _PyHash API to the internal C API (#107026)

* No longer export most private _PyHash symbols, only export the ones
  which are needed by shared extensions.
* Modules/_xxtestfuzz/fuzzer.c now uses the internal C API.

Victor Stinner committed 2y ago

89f987544860d1360e6232b6f52b8ced92a4d690

Parent: 756add0

Committed by GitHub <noreply@github.com> on 7/22/2023, 1:49:37 PM