dev-python/resolvelib: Sync with Gentoo

It's from Gentoo commit 4eda182543530c5e05a6854723c426cebcd5ada8.

sdk_container/src/third_party/portage-stable/dev-python/resolvelib/Manifest

@@ -1,2 +1,3 @@
 DIST resolvelib-1.0.1.gh.tar.gz 769608 BLAKE2B 7715f61d262cb79ce08f0431650e6213def4582a0774cf36dab722d88013f7bc9c72a31a957d3782e35b315158982c3311fe3e06e26bbf9040fa96b239934661 SHA512 a35f7fdbc3aba5b44fdf6b9c55b082156ca641dfe5825611be6364622bcaaf45faafa2c45bdd13d1b5723a55732759a806905ab4b6f366fba0474d1f808d91bc
 DIST resolvelib-1.1.0.gh.tar.gz 772503 BLAKE2B 6dfda2dc8bc8fc6c5bd53de6f4cd0a44fc39cd53a3a8b01c8a9f135f64ef2ec022248a87d8c8302af4a3c1ea171751de4cba26139a7231bdf143b115f048bfe9 SHA512 d3b2a49c4cd6e6a27bb1eb5a8672a2b4f6daa315b82f0f008a915094a59bd2f38ad64fd83fba4387a50686a3ededb13c24839afd4d45d9766467d7e70f7b863a
+DIST resolvelib-1.2.0.gh.tar.gz 773960 BLAKE2B dd325d305db82fb065286175c822ffd447e8ebe414497b831409789e2e0233384c6a4ea8a027e58e8c7a7ed4e48f512e61708cbeb6906bfc9113104fcb5e38fb SHA512 b4b2af8fa575c03417f8cdc020538c8614c4ef189b498120266ea88ae98e0a0df9cc2ade28b5c4dbdb9f21633652949f51813f252ee3b48866bbc950416678dc

sdk_container/src/third_party/portage-stable/dev-python/resolvelib/resolvelib-1.2.0.ebuild

@@ -0,0 +1,33 @@
+# Copyright 2021-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{11..14} pypy3_11 )
+
+inherit distutils-r1
+
+DESCRIPTION="Resolve abstract dependencies into concrete ones"
+HOMEPAGE="
+	https://github.com/sarugaku/resolvelib/
+	https://pypi.org/project/resolvelib/
+
+"
+SRC_URI="
+	https://github.com/sarugaku/resolvelib/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="ISC"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+
+BDEPEND="
+	test? (
+		dev-python/packaging[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest