PEP 793: Two small updates

[encukou]

• PyType_GetModuleByToken will return a strong reference, unlike PyType_GetModuleByDef
• Remove incorrect note that the new API creates modules from a spec. (The note could be updated to say slots, but, it isn't that important.)

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• Change is either:
  • To a Draft PEP
  • To an Accepted or Final PEP, with Steering Council approval
  • To fix an editorial issue (markup, typo, link, header, etc)
• PR title prefixed with PEP number (e.g. PEP 123: Summary of changes)

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📚 Documentation preview 📚: https://pep-previews--4472.org.readthedocs.build/

[encukou]

Ugh, ignore the second change. I got confused by def vs. spec again.
(If only there was a PEP to phase of one of those out...)