manimpango: download from pypi

the github repo is gone

mingw-w64-python-manimpango/PKGBUILD

@@ -4,7 +4,7 @@ _realname=manimpango
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
 pkgver=0.6.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Bindings for Pango for using with Manim. (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -24,7 +24,7 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cython"
              "${MINGW_PACKAGE_PREFIX}-python-setuptools"
              "${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-pkgconf")
-source=("https://github.com/ManimCommunity/ManimPango/releases/download/v${pkgver}/manimpango-${pkgver}.tar.gz")
+source=("https://pypi.org/packages/source/${_realname::1}/${_realname}/${_realname}-${pkgver}.tar.gz")
 sha512sums=('0559cfda77a936d5453492a63410fa0f125b2babcb9f10fe2bab0a259f9fe3f928e97ffac72d7994fdfa43b9684c0fb60a86c1e90ad04be336d0491ae0132b2f')
 
 prepare() {