Add python-hatchling and update python-iniconfig

iniconfig 2.0 uses hatchling as a build backend, so add
hatchling and all required dependencies

python-editables/PKGBUILD

@@ -0,0 +1,31 @@
+# Maintainer: Christoph Reiter <reiter.christoph@gmail.com>
+
+_pyname=editables
+pkgname=python-editables
+pkgver=0.3
+pkgrel=1
+pkgdesc='A Python library for creating editable wheels'
+arch=(any)
+url='https://github.com/pfmoore/editables'
+license=('spdx:MIT')
+depends=('python')
+makedepends=(
+  'python-build'
+  'python-installer'
+  'python-setuptools'
+  'python-wheel'
+)
+source=(https://github.com/pfmoore/editables/archive/$pkgver/$pkgname-$pkgver.tar.gz)
+sha256sums=('42f7240164af1e028ccb7b60e72f54bbd8b639e9409595fbeffac5d3fb610643')
+
+build() {
+  cd $_pyname-$pkgver
+  python -m build --wheel --no-isolation
+}
+
+package() {
+  cd $_pyname-$pkgver
+  python -m installer --destdir="$pkgdir" dist/*.whl
+
+  install -Dm644 LICENSE.txt -t "$pkgdir"/usr/share/licenses/$pkgname
+}