build(deps): update pyo3 requirement from 0.19.0 to 0.20.1

[dependabot]

Updates the requirements on pyo3 to permit the latest version.

Release notes

Sourced from pyo3's releases.

PyO3 0.20.1

This release is a maintenance release to resolve a clippy warning which triggers on function arguments of Py<Self>.

This release also contains a few minor API additions, including optional support for the either and smallvec crates.

Thank you to the following users for the improvements:

@​adamreichold @​aldanor @​alex @​daemontus @​davidhewitt @​mejrs @​messense @​neachdainn @​orhun @​suriya-ganesh @​wyfo

Changelog

Sourced from pyo3's changelog.

[0.20.1] - 2023-12-30

Added

• Add optional either feature to add conversions for either::Either<L, R> sum type. #3456
• Add optional smallvec feature to add conversions for smallvec::SmallVec. #3507
• Add take and into_inner methods to GILOnceCell #3556
• #[classmethod] methods can now also receive Py<PyType> as their first argument. #3587
• #[pyfunction(pass_module)] can now also receive Py<PyModule> as their first argument. #3587
• Add traverse method to GILProtected. #3616
• Added abi3-py312 feature #3687

Fixed

• Fix minimum version specification for optional chrono dependency. #3512
• Silenced new clippy::unnecessary_fallible_conversions warning when using a Py<Self> self receiver. #3564

[0.20.0] - 2023-10-11

Packaging

• Dual-license PyO3 under either the Apache 2.0 OR the MIT license. This makes the project GPLv2 compatible. #3108
• Update MSRV to Rust 1.56. #3208
• Bump indoc dependency to 2.0 and unindent dependency to 0.2. #3237
• Bump syn dependency to 2.0. #3239
• Drop support for debug builds of Python 3.7. #3387
• Bump chrono optional dependency to require 0.4.25 or newer. #3427
• Support Python 3.12. #3488

Added

• Support __lt__, __le__, __eq__, __ne__, __gt__ and __ge__ in #[pymethods]. #3203
• Add FFI definition Py_GETENV. #3336
• Add as_ptr and into_ptr inherent methods for Py, PyAny, PyRef, and PyRefMut. #3359
• Implement DoubleEndedIterator for PyTupleIterator and PyListIterator. #3366
• Add #[pyclass(rename_all = "...")] option: this allows renaming all getters and setters of a struct, or all variants of an enum. Available renaming rules are: "camelCase", "kebab-case", "lowercase", "PascalCase", "SCREAMING-KEBAB-CASE", "SCREAMING_SNAKE_CASE", "snake_case", "UPPERCASE". #3384
• Add FFI definitions PyObject_GC_IsTracked and PyObject_GC_IsFinalized on Python 3.9 and up (PyPy 3.10 and up). #3403
• Add types for None, Ellipsis, and NotImplemented. #3408
• Add FFI definitions for the Py_mod_multiple_interpreters constant and its possible values. #3494
• Add FFI definitions for PyInterpreterConfig struct, its constants and Py_NewInterpreterFromConfig. #3502

Changed

• Change PySet::discard to return PyResult<bool> (previously returned nothing). #3281
• Optimize implmentation of IntoPy for Rust tuples to Python tuples. #3321
• Change PyDict::get_item to no longer suppress arbitrary exceptions (the return type is now PyResult<Option<&PyAny>> instead of Option<&PyAny>), and deprecate PyDict::get_item_with_error. #3330
• Deprecate FFI definitions which are deprecated in Python 3.12. #3336
• AsPyPointer is now an unsafe trait. #3358
• Accept all os.PathLike values in implementation of FromPyObject for PathBuf. #3374

... (truncated)

Commits

• d3f034a release: 0.20.1
• 985412f ci: updates for Rust 1.75
• ecb0e9c Copy note on using check_signals on non-main thread/interpreter from Python d...
• b842711 Fixes #3645 -- added abi3-py312 feature
• d897479 Fix the Crossbeam ecosystem to point releases before it required Rust 1.61.
• 8f6976d Enable GILProtected access via PyVisit
• 5c1e4d1 ci: fixup pytests to compile in debug
• 1896a32 ci: refactor pytests dev dependencies
• 7032789 Add additional definitions for _PyImport_Frozen*
• 1166a99 Refactor create_type_object so that most of the code is monomorphic
• Additional commits viewable in compare view

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[dependabot]

Superseded by #10.