gh-41253: Restrict Cython's version and fix the uv building workflows
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Relate to #41137, these two functions are only support on cython>=3.1.0
@tobiasdiez Can you help me upgrade uv lock file? I use conda but not
uv.
https://github.com/cython/cython/commit/b684235561fbf1049927a6fda9ad3cd9
f7e096f6
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URL: https://github.com/sagemath/sage/pull/41253
Reported by: Chenxin Zhong
Reviewer(s): Tobias Diez
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