Update dependency pybind11 to v3.0.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pybind11 (changelog)	3.0.2 → 3.0.3

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Release Notes

pybind/pybind11 (pybind11)

v3.0.3: Version 3.0.3

Compare Source

Bug fixes:

• Fixed TSS key exhaustion in implicitly_convertible() when many implicit conversions are registered across large module sets.
  #​6020

• Fixed heap-buffer-overflow in pythonbuf with undersized buffers by enforcing a minimum buffer size.
  #​6019

• Fixed virtual-inheritance pointer offset crashes when dispatching inherited methods through virtual bases.
  #​6017

• Fixed free(): invalid pointer crashes during interpreter shutdown with py::enum_<> by duplicating late-added def_property_static argument strings.
  #​6015

• Fixed function_record heap-type deallocation to call PyObject_Free() and decref the type.
  #​6010

• Hardened PYBIND11_MODULE_PYINIT and get_internals() against module-initialization crashes.
  #​6018

• Fixed static_pointer_cast build failure with virtual inheritance in holder_caster_foreign_helpers.h.
  #​6014

• Fixed ambiguous factory template specialization that caused compilation failures with nvcc + GCC 14.
  #​6011

• Fixed crash in def_readwrite for non-smart-holder properties of smart-holder classes.
  #​6008

• Fixed memory leak for py::dynamic_attr() objects on Python 3.13+ by clearing managed __dict__ contents during deallocation.
  #​5999

• Fixed binding of noexcept and ref-qualified (&, &&) methods inherited from unregistered base classes.
  #​5992

Internal:

• Moved tomlkit dependency to the dev dependency group.
  #​5990

• Switched to newer public CPython APIs (PyType_GetFlags and public vectorcall APIs where available).
  #​6005

Tests:

• Made an async callback test deterministic by replacing fixed sleep with bounded waiting.
  #​5986

CI:

• Re-enabled Android tests in the cibuildwheel workflow.
  #​6001

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.54%. Comparing base (c06bb03) to head (35e0bd3).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #91   +/-   ##
=======================================
  Coverage   96.54%   96.54%           
=======================================
  Files          21       21           
  Lines        1275     1275           
=======================================
  Hits         1231     1231           
  Misses         44       44           

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