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.

3.0.11 (2024-08-05)

Features added

• The C++11 emplace* methods were added to libcpp.deque. Patch by Somin An. (Github issue :issue:6159)

Bugs fixed

• The exception check value of functions declared in pxd files was not always applied in 3.0.10. (Github issue :issue:6122)

• A crash on exception deallocations was fixed. (Github issue :issue:6022)

• A crash was fixed when assigning a zero-length slice to a memoryview. Patch by Michael Man. (Github issue :issue:6227)

• libcpp.optional.value() could crash if it raised a C++ exception. Patch by Alexander Condello. (Github issue :issue:6190)

• The return type of str() was mishandled, leading to crashes with language_level=3. (Github issue :issue:6166)

• bytes.startswith/endswith() failed for non-bytes substrings (e.g. bytearray). (Github issue :issue:6168)

• Fused ctuples crashed Cython. (Github issue :issue:6068)

• A compiler crash was fixed when using extension types in fused types. (Github issue :issue:6204)

• The module cleanup code was incorrect for globally defined memory view slices. (Github issue :issue:6276)

• Some adaptations were made to enable compilation in Python 3.13. (Github issues :issue:5997, :issue:6182, :issue:6251)

3.0.10 (2024-03-30)

Bugs fixed

• Cython generated incorrect self-casts when directly calling final methods of subtypes.

... (truncated)

Commits

• bb4180a Build: Make Python wheel also on regular push.
• cde2a8d Fix test in Py2.
• 0fb0f58 Prepare release of 3.0.11.
• 5170f66 Update changelog.
• 0dfcb70 Add c++11 emplace functions to deque.pxd (#6159)
• 6d71295 Mark libcpp.optional.value as except + (#6190)
• 54dc847 Fix typo.
• 0dfbd31 Fix segfault on zero-length slice assignment on memoryview (GH-6230)
• 3984b76 Test runner: Make thread-ID printing work in Py2.7.
• ad71a9c Update changelog.
• Additional commits viewable in compare view

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.68%. Comparing base (adc3b2b) to head (e05bec7).
Report is 8 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #32127   +/-   ##
=========================================
  Coverage     58.68%   58.68%           
  Complexity     3025     3025           
=========================================
  Files          1122     1122           
  Lines        172906   172913    +7     
  Branches       3285     3285           
=========================================
+ Hits         101463   101468    +5     
- Misses        68131    68133    +2     
  Partials       3312     3312           

Flag	Coverage Δ
python	81.27% <ø> (-0.01%)	⬇️

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[dependabot]

Looks like cython is no longer updatable, so this is no longer needed.