Set CYTHON_DEPENDENCY to 3.0.0

Author: matusvalo

setup.py

@@ -21,7 +21,7 @@
 from setuptools.command.sdist import sdist
 
 
-CYTHON_DEPENDENCY = 'Cython(>=0.29.32,<0.30.0)'
+CYTHON_DEPENDENCY = 'Cython~=3.0.0'
 
 # Minimal dependencies required to test uvloop.
 TEST_DEPENDENCIES = [