dev-python/pyupgrade: Bump to 3.20.0

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/pyupgrade/Manifest

@@ -1 +1,2 @@
 DIST pyupgrade-3.19.1.gh.tar.gz 66379 BLAKE2B 393bf5343e1ca004474d3a0d3e7866fe9a5a9d0a346a375451130c925b9b0a11808e629340d0a1ca69da772ea30f161629974b80cfcbd6e0a3cb086694bb9432 SHA512 383cf36c5efd1e195de58695493ca4b6ce0e55d852cca1605e9a7d1e96812faae871ced1fb6ea1f44390b631eab8cc5d07100645df64cee0d22c35faf10c6f12
+DIST pyupgrade-3.20.0.gh.tar.gz 66442 BLAKE2B d03984ba30d5e5eb1c46dba2384ef476ed7bfa41ef7a372d9ff0bf49568c96f07ef596c25f20b06833c17eace00b605c5ba282b013b35b6d7847b30a786f9889 SHA512 e9ed4663aa8fb3ddc77441b569f8f4da17ad6d4493a401d56be353b3b5c04826fd38091a6ef14afa4e1b91889af1e366c15eb7f583ccf2bdcebcf864c18ed819

dev-python/pyupgrade/pyupgrade-3.20.0.ebuild

@@ -0,0 +1,30 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit distutils-r1
+
+DESCRIPTION="Tool + pre-commit hook to automatically upgrade syntax for newer Pythons"
+HOMEPAGE="
+	https://github.com/asottile/pyupgrade/
+	https://pypi.org/project/pyupgrade/
+"
+# no tests in sdist, as of 3.3.2
+SRC_URI="
+	https://github.com/asottile/pyupgrade/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64"
+
+RDEPEND="
+	>=dev-python/tokenize-rt-6.1.0[${PYTHON_USEDEP}]
+"
+
+distutils_enable_tests pytest