build(deps): bump greenlet from 3.4.0 to 3.5.0 in /src

[dependabot]

Bumps greenlet from 3.4.0 to 3.5.0.

Changelog

Sourced from greenlet's changelog.

3.5.0 (2026-04-27)

• Remove the atexit callback. This callback caused greenlet APIs to become unavailable far too soon during interpreter shutdown. Now they remain available while all atexit callbacks run. Sometime after Py_IsFinalizing becomes true, they may begin misbehaving. Because the order in which C extensions are finalized is undefined, C extensions that are sensitive to this need to check the results of that function before invoking greenlet APIs. As a convenience, PyGreenlet_GetCurrent sets an exception and returns NULL when this happens (and greenlet.getcurrent begins returning None); other greenlet C API functions have undefined behaviour. Methods invoked directly on pre-existing greenlet.greenlet objects will continue to function at least until the greenlet C extension has been garbage collected and finalized.

  See PR 508 <https://github.com/python-greenlet/greenlet/pull/508>_.

Commits

• c7acc72 Preparing release 3.5.0
• d08f99b CHANGES: Update link from #507 to more full description in #508.
• fd3391e Merge pull request #508 from python-greenlet/issue507-remove-atexit
• 004e1e9 Remove the atexit callback.
• b784a69 Back to development: 3.4.1
• See full diff in compare view

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