fix(deps): update rust crate pyo3 to v0.28.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
pyo3	dependencies	patch	=0.28.2 → =0.28.3

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Release Notes

pyo3/pyo3 (pyo3)

v0.28.3: PyO3 0.28.3

Compare Source

This patch contains several fixes for stability of the PyO3 0.28.x series:

• Python::attach and Python::try_attach will no longer return before the thread initializing the interpreter has finished runnning site.py when using the auto-initialize feature.
• Fix unsoundness in PyBytesWriter::write_vectored when targeting the Python 3.15 prerelease interpreter.
• Fix possible deadlock in .into_pyobject() implementation for C-like #[pyclass] enums.

A couple of edge cases causing compile failures were also fixed.

Thank you to the following contributors for the improvements:

@​alex
@​bschoenmaeckers
@​chirizxc
@​davidhewitt
@​Embers-of-the-Fire
@​Icxolu
@​maurosilber
@​ngoldbaum

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