chore(deps): update dependency uvloop to v0.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
uvloop	==0.19.0 -> ==0.21.0

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Release Notes

MagicStack/uvloop (uvloop)

v0.21.0

Compare Source

Changes

• Add cleanup_socket param on create_unix_server() (#​623) (by @​fantix in d6114d2)

Fixes

• Use cythonized SO_REUSEPORT rather than the unwrapped native one. (#​609) (by @​ptribble in 4083a94 for #​550)

• UDP errors should result in protocol.error_received (#​601) (by @​jensbjorgensen in 3c3bbef)

• Updates for Cython3 (#​587) (by @​alan-brooks in 3fba9fa for #​587)

• Test with Python 3.13 (#​610) (by @​edgarrmondragon in fb5a139)

v0.20.0

Compare Source

Changes

• Upgrade libuv to v1.48.0 (#​600) (by @​niklasr22 @​fantix in 7777852 for #​596 #​615)

Fixes

• Fix test_create_server_4 with Python 3.12.5 (#​614) (by @​shadchin in 62f9239)

• Use len(os.sched_getaffinity(0)) instead of os.cpu_count() (#​591) (by @​avkarenow in c8531c2 for #​591)

• Inline _Py_RestoreSignals() from CPython (#​604) (by @​befeleme in 8511ba1 for #​603)

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