dev-python/marshmallow: Bump to 3.21.1

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

dev-python/marshmallow/Manifest

@@ -1,2 +1,3 @@
 DIST marshmallow-3.20.2.gh.tar.gz 183876 BLAKE2B 84cf8ca23069ad1d2353ffa9299556298457485fa459746b948835f04f92ef3949d5429e8285e084be7398fb294b3d74eba1b38ef21b469daed401f1e6affcdb SHA512 8305693405a976c53333b0c6ef074a12af4736f9620ca37c7c2ec6318fac2b19086426344ce8c2f515e95becdba8b2bb1c20aca5a9dffb4145cb27fee00dc080
 DIST marshmallow-3.21.0.gh.tar.gz 183738 BLAKE2B 9f9b9203be93e6feecbd6b7e1da32f737ba33ca8e386e062d091e20480f5241c1d73f77afd542cb24816a48aa5a948aaa20edcfe9d0fdfa847f6e405e89cff20 SHA512 d08e4eedafc1d6f2bfab463357febc75013e8a548195ab85aac55fa225f2180a4f1646d68f8586d369dd108a793086c5bb8522c7543a51540ec4ee6de5305ad3
+DIST marshmallow-3.21.1.gh.tar.gz 183822 BLAKE2B 786287604312b4c54167458c35caf5ac3eb2c9ce63c1b9bd0b8fc33e208e5f694e84842c75c93fd91535bc231ebf703ea3ea0b352d100b59f103e280b840b170 SHA512 6de06ced6a58ef0c312ee4c1edfbe011401bba08c27fcf2dd2c3e44cb072cded1cf5f16a4d4945344d56f0d26b5eb165f6d031b50c215f122c7cc6fe25389318

dev-python/marshmallow/marshmallow-3.21.1.ebuild

@@ -0,0 +1,36 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit distutils-r1
+
+DESCRIPTION="A library for converting to and from native Python datatypes"
+HOMEPAGE="
+	https://github.com/marshmallow-code/marshmallow/
+	https://pypi.org/project/marshmallow/
+"
+SRC_URI="
+	https://github.com/marshmallow-code/marshmallow/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+
+RDEPEND="
+	>=dev-python/packaging-17.0[${PYTHON_USEDEP}]
+	dev-python/python-dateutil[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	test? (
+		dev-python/pytz[${PYTHON_USEDEP}]
+		dev-python/simplejson[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest