Update pyo3 requirement from 0.15 to 0.26

[dependabot]

Updates the requirements on pyo3 to permit the latest version.

Release notes

Sourced from pyo3's releases.

PyO3 0.15.2

This release is a backport of PyO3 0.16's support for PyPy 3.9.

Thanks to @​mejrs and @​messense for the implementation work, and to @​alex for testing it to build the cryptography package.

Changelog

Sourced from pyo3's changelog.

[0.15.2] - 2022-04-14

Packaging

• Backport of PyPy 3.9 support from PyO3 0.16. #2262

[0.15.1] - 2021-11-19

Added

• Add implementations for Py::as_ref and Py::into_ref for Py<PySequence>, Py<PyIterator> and Py<PyMapping>. #1682
• Add PyTraceback type to represent and format Python tracebacks. #1977

Changed

• #[classattr] constants with a known magic method name (which is lowercase) no longer trigger lint warnings expecting constants to be uppercase. #1969

Fixed

• Fix creating #[classattr] by functions with the name of a known magic method. #1969
• Fix use of catch_unwind in allow_threads which can cause fatal crashes. #1989
• Fix build failure on PyPy when abi3 features are activated. #1991
• Fix mingw platform detection. #1993
• Fix panic in __get__ implementation when accessing descriptor on type object. #1997

[0.15.0] - 2021-11-03

Packaging

• pyo3's Cargo.toml now advertises links = "python" to inform Cargo that it links against libpython. #1819
• Added optional anyhow feature to convert anyhow::Error into PyErr. #1822
• Support Python 3.10. #1889
• Added optional eyre feature to convert eyre::Report into PyErr. #1893
• Support PyPy 3.8. #1948

Added

• Add PyList::get_item_unchecked and PyTuple::get_item_unchecked to get items without bounds checks. #1733
• Support #[doc = include_str!(...)] attributes on Rust 1.54 and up. #1746
• Add PyAny::py as a convenience for PyNativeType::py. #1751
• Add implementation of std::ops::Index<usize> for PyList, PyTuple and PySequence. #1825
• Add range indexing implementations of std::ops::Index for PyList, PyTuple and PySequence. #1829
• Add PyMapping type to represent the Python mapping protocol. #1844
• Add commonly-used sequence methods to PyList and PyTuple. #1849
• Add as_sequence methods to PyList and PyTuple. #1860
• Add support for magic methods in #[pymethods], intended as a replacement for #[pyproto]. #1864
• Add abi3-py310 feature. #1889
• Add PyCFunction::new_closure to create a Python function from a Rust closure. #1901
• Add support for positional-only arguments in #[pyfunction]. #1925
• Add PyErr::take to attempt to fetch a Python exception if present. #1957

... (truncated)

Commits

• 6cd6da5 release: 0.15.2
• a9f7259 Merge pull request #2262 from messense/pypy-0.15
• 5016202 support pypy-3.7-v7.3.8+
• 97230d1 Move 7.3.8 warning over to make_module
• bf3d7a0 Name a more iconic trio: pypy, datetime, segfaults
• 72867d9 Don't test 32 bit on windows
• f774dbf Fix abi3 ui test
• 48aba84 Fix UI test
• 3725b31 Make clippy happy
• 1f88c84 Bless ui test and pin clap
• Additional commits viewable in compare view

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