update FFI bindings to reflect deprecated and removed items

[ngoldbaum]

These were all found by grepping for Py_DEPRECATED in the CPython Include directory.

Besides noting that I removed _PyErr_ChainExceptions, should I add a changelog entry explicitly mentioning all the things I'm newly marking as deprecated? Or just say I updated the FFI to match the state of the CPython headers in 3.13 WRT deprecated and removed things?

[davidhewitt]

Thanks for doing this!

It looks like in the past that I just did a blanket statement rather than mention them all individually for the deprecations.

Worth calling out the removal separately.

[codspeed-hq]

CodSpeed Performance Report

Merging #4534 will not alter performance

_{Comparing ngoldbaum:update-deprecated (2633e19) with main (bf16238)}

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Summary

✅ 82 untouched benchmarks