Update cython to 3.x

Since python-yaml needs cython 0.x add a cython0 package like Arch

Rebuild everything just to be sure

python-lxml/PKGBUILD

@@ -4,7 +4,7 @@ _realname=lxml
 pkgbase="python-${_realname}"
 pkgname=("python-${_realname}")
 pkgver=4.9.2
-pkgrel=2
+pkgrel=3
 pkgdesc="Python binding for the libxml2 and libxslt libraries"
 arch=('any')
 url="https://lxml.de/"
@@ -12,7 +12,7 @@ license=('spdx:BSD-3-Clause')
 depends=("python" "libxslt" "libxml2")
 makedepends=(
   "gcc"
-  "cython"
+  "cython0"
   "libxslt-devel"
   "libxml2-devel"
   "pkgconf"