python-attrs: update to 25.4.0

mingw-w64-python-attrs/PKGBUILD

@@ -3,14 +3,17 @@
 _realname=attrs
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
-pkgver=25.3.0
+pkgver=25.4.0
 pkgrel=1
 pkgdesc='Attributes without boilerplate (mingw-w64)'
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url='https://www.attrs.org/'
 msys2_repository_url='https://github.com/python-attrs/attrs'
+msys2_changelog_url='https://www.attrs.org/en/stable/changelog.html'
 msys2_references=(
+  'archlinux: python-attrs'
+  'gentoo: dev-python/attrs'
   'purl: pkg:pypi/attrs'
 )
 license=('spdx:MIT')
@@ -21,7 +24,7 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-python-build"
              "${MINGW_PACKAGE_PREFIX}-python-hatch-vcs"
              "${MINGW_PACKAGE_PREFIX}-python-hatch-fancy-pypi-readme")
 source=("https://pypi.org/packages/source/${_realname::1}/${_realname}/${_realname}-${pkgver}.tar.gz")
-sha256sums=('75d7cefc7fb576747b2c81b4442d4d4a1ce0900973527c011d1030fd3bf4af1b')
+sha256sums=('16d5969b87f0859ef33a48b35d55ac1be6e42ae49d5e853b597db70c35c57e11')
 
 build() {
   cp -r "${_realname}-${pkgver}" "python-build-${MSYSTEM}" && cd "python-build-${MSYSTEM}"