v0.20.0

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)