main/python3: add stricter dependency on libexpat>=2.6.0

Since 3.10.14, Pyhon uses the "reparse deferral API" in expat >= 2.6.0:

   python/cpython#116270

Author: Daniel Néri

main/python3/APKBUILD

@@ -6,7 +6,7 @@ pkgname=python3
 pkgver=3.10.14
 _bluez_ver=5.64
 _basever="${pkgver%.*}"
-pkgrel=0
+pkgrel=1
 pkgdesc="A high-level scripting language"
 url="https://www.python.org/"
 arch="all"
@@ -18,6 +18,7 @@ subpackages="
 	$pkgname-tests::noarch
 	pythonispython3
 	"
+depends="expat>=2.6.0"
 makedepends="
 	!gettext-dev
 	autoconf