Update to anyio 4.0.0

Pushed to [extra-staging] as anyio 4.x breaks python-fastapi. fastapi
pins older starlette, while the latest starlette is required for anyio
4.x support.

See: https://github.com/tiangolo/fastapi/pull/9636

PKGBUILD

@@ -2,9 +2,7 @@
 
 pkgname=python-anyio
 # https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst
-# UPDATE_BLOCKED: anyio 4.x breaks at least python-fastapi
-# fastapi pins older starlette, while the latst starlette is required for anyio 4.x support https://github.com/tiangolo/fastapi/pull/9636
-pkgver=3.7.1
+pkgver=4.0.0
 pkgrel=1
 pkgdesc='High level compatibility layer for multiple asynchronous event loop implementations'
 arch=(any)
@@ -21,7 +19,7 @@ optdepends=(
   'python-pytest: pytest plugin'
 )
 source=(https://github.com/agronholm/anyio/archive/$pkgver/anyio-$pkgver.tar.gz)
-sha256sums=('aa8ed0d799e61b61f7888e13668d36b467e3368129e8efa92bbf62a9cf063f84')
+sha256sums=('518a6f319b174b5b7de126ae983035d2205df4ef0f39eb23ac4139cbb1bf3c49')
 
 export SETUPTOOLS_SCM_PRETEND_VERSION=$pkgver
 
@@ -29,9 +27,6 @@ prepare() {
   cd anyio-$pkgver
   # Remove "error" from pytest filterwarnings
   sed -i '/"error"/d' pyproject.toml
-  # XXX: Temporarily remove testing trio as a backend. anyio 3.x is known to be incompatible with trio >= 0.22
-  # https://github.com/agronholm/anyio/commit/787cb0c2e53c2a3307873d202fbd49dc5eac4e96
-  sed -i '/"trio"/d' tests/conftest.py
 }
 
 build() {