New warnings in `bltnsmodule.c`: "conversion from 'Py_ssize_t' to 'long'"

[sobolevn]

After 7559f5f#diff-e4fd8b8ee6a147f86c0719ff122aca6dfca36edbd4812c87892698b3b72e40a1 there are two new warnings on GH:

I am working on a fix, PR is incoming.

Linked PRs

• gh-102939: Fix "conversion from Py_ssize_t to long" warning in builtins #102940