build(deps): update pyo3 requirement from 0.29.0 to 0.30.1

[dependabot]

Updates the requirements on pyo3 to permit the latest version.

Release notes

Sourced from pyo3's releases.

PyO3 0.30.1 is a re-release of PyO3 0.30.0 after investments in CI security unfortunately led to a failed crates.io publish. Rather than delete the failed tag, this new tag comes after the CI issues have (hopefully) been corrected.

Thanks to @​davidhewitt @​Tpt and @​viicos for the investigation and fixes.

Changelog

Sourced from pyo3's changelog.

[0.30.1] - 2026-10-14

Packaging

• Support PyPy 3.12. #6448

[0.30.0] - 2026-10-13

NB PyO3 0.30.0 failed to push to crates.io due to a CI issue, so 0.30.1 was prepared and pushed with minimal other changes other than confirming support for PyPy 3.12.

Packaging

• Drop support for Python 3.8. #6128
• Bump MSRV to 1.85. #6459
• Support meson-python as a build backend. #6483
• Bump minimum supported GraalPy version to 25.4. #6491
• Support Python 3.15.0 final. #6517

Added

• Add support for PyFrozenDict on 3.15+ #6174
• Add PyContext type. #6227
• experimental-inspect: classes which extend their base's instance layout are now decorated with disjoint_base in the generated stubs, as per PEP 800. #6362
• Add methods PyBuffer::as_slice_ptr and PyBuffer::as_fortran_slice_ptr. #6382
• Implement Copy for PyVisit. #6412
• Add non-poisoning variant of PyMutex #6437
• Add PyStringMethods::code_point_len. #6455
• FFI Definitions:
  • Add FFI definition PyThread_get_thread_ident. #6056
  • Add FFI definitions for PEP 731 (PyInitConfig). #6152
  • Add FFI definitions PyContext_AddWatcher and PyContext_ClearWatcher on Python 3.14+. #6204
  • Add FFI definitions for PEP 539 ("Thread-Specific Storage" API). #6262
  • Enable FFI definitions PyObject_GC_Track and PyObject_GC_UnTrack on PyPy. #6299
  • Add FFI definitions PyUnicode_DecodeMBCS, PyUnicode_DecodeMBCSStateful, PyUnicode_DecodeCodePagetateful, PyUnicode_AsMBCSString, PyUnicode_EncodeCodePage, and PyUnicode_Equal. #6349
  • Add FFI definitions PyFloat_Pack{2,4,8} and PyFloat_Unpack{2,4,8}. #6350
  • Add FFI definitions PyFunction_GET_CODE, PyFunction_GET_GLOBALS, PyFunction_GET_MODULE, PyFunction_GET_DEFAULTS, PyFunction_GET_KW_DEFAULTS, PyFunction_GET_CLOSURE, PyFunction_GET_ANNOTATIONS, PyClassMethod_Type, PyStaticMethod_Type, PyClassMethod_New, and PyStaticMethod_New. #6351

Changed

• Optimized num-bigint conversions on Python 3.14 and newer. #6144
• Change #[pyclass] to not emit FromPyObject implementation by default (this was previously deprecated). #6188
• Deprecate #[pyclass(skip_from_py_object)] option (as it is now the default). #6188
• Deprecate pyo3_build_config::PythonAbi::from_build_env in favor of pyo3_build_config::PythonAbi::from_stable_abi. #6192
• Change pyo3_build_config::InterpreterConfig::from_sysconfigdata to no longer select a target ABI based on the content of abi3 or abi3t cargo features (it will now always select a version-specific ABI). #6192
• Optimize PyO3's internal reference pool used for disposal of Py<T> values dropped when not attached to the Python interpreter. #6200
• experimental-inspect: Emit __all__ for complete modules in the type stubs. #6242
• Change PyBytes::new_with_writer to take &mut PyBytesWriter instead of &mut dyn Write. #6251
• Change #[pymodule_init] to allow functions which do not take a module argument (for experimental-inspect, such modules are not marked Incomplete). #6271
• Change #[pymodule_init] to optionally allow functions to take a Python<'_> marker. #6271

... (truncated)

Commits

• f168538 release: 0.30.1
• b3c7361 pyo3-introspection sdist: skip maturin license lookup (#6528)
• b564d8c ci: require Cargo.lock to be up to date during testing (#6522)
• bbd862c support PyPy 3.12 (#6448)
• 196ca35 release: 0.30.0 (#6493)
• d3befaa remove all functionality deprecated in PyO3 0.28 (#6519)
• 3ee4e56 experimental-inspect: emit __all__ in the generated stubs (#6242)
• 071edec test against 3.15 final (#6517)
• 4c68d9c internal: remove no longer needed non_local_definitions allows (#6508)
• 65c8c7d Add example building with meson-python (#6483)
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[codspeed]

Merging this PR will not alter performance

✅ 16 untouched benchmarks

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_{Comparing dependabot/cargo/pyo3-0.30.1 (8e2dd44) with master (a89df41)}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.17%. Comparing base (a89df41) to head (8e2dd44).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #842   +/-   ##
=======================================
  Coverage   94.17%   94.17%           
=======================================
  Files          18       18           
  Lines        3522     3522           
=======================================
  Hits         3317     3317           
  Misses        205      205           

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