Update cython requirement from <1 to <4 in /sdks/python

[dependabot]

Updates the requirements on cython to permit the latest version.

Changelog

Sourced from cython's changelog.

3.0.10 (2024-03-30)

Bugs fixed

• Cython generated incorrect self-casts when directly calling final methods of subtypes. Patch by Lisandro Dalcin. (Github issue :issue:2747)

• Internal C names generated from C function signatures could become too long for MSVC. (Github issue :issue:6052)

• The noexcept warnings could be misleading in some cases. Patch by Gonzalo Tornaría. (Github issue :issue:6087)

• The @cython.ufunc implementation could generate incomplete C code. (Github issue :issue:6064)

• The libcpp.complex declarations could result in incorrect C++ code. Patch by Raffi Enficiaud. (Github issue :issue:6037)

• Several tests were adapted to work with both NumPy 1.x and 2.0. Patch by Matti Picus. (Github issues :issue:6076, :issue:6100)

• C compiler warnings when the freelist implementation is disabled (e.g. on PyPy) were fixed. It can now be disabled explicitly with the C macro guard CYTHON_USE_FREELISTS=0. (Github issue :issue:6099)

• Some C macro guards for feature flags were missing from the NOGIL Python configuration.

• Some recently added builtins were unconditionally looked up at module import time (if used by user code) that weren't available on all Python versions and could thus fail the import.

• A performance hint regarding exported pxd declarations was improved. (Github issue :issue:6001)

3.0.9 (2024-03-05)

Features added

• Assigning const values to non-const variables now issues a warning. (Github issue :issue:5639)

• Using noexcept on a function returning Python objects now issues a warning. (Github issue :issue:5661)

... (truncated)

Commits

• 7ae8531 Build: Upgrade action version.
• 71c5775 Fix Py3-ism in Py2/3 code.
• 6cab0d6 Prepare release of 3.0.10.
• 4e842a9 Remove a useless 'f' string prefix.
• 8aba690 Improve performance hints for nogil + pxd (#6088)
• ae120d5 Disable pstats tests also in 3.13 as long as they wait for a new C-API in CPy...
• 27364ef Update changelog.
• e178fc2 Reduce cap length of cnames generated from long function argument lists (GH-...
• 03e8393 Update changelog.
• 5fc42b1 Fix self cast when calling final methods (GH-6085)
• Additional commits viewable in compare view

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