Bump anyio from 3.7.1 to 4.0.0

Bumps [anyio](https://github.com/agronholm/anyio) from 3.7.1 to 4.0.0.
- [Release notes](https://github.com/agronholm/anyio/releases)
- [Changelog](https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst)
- [Commits](agronholm/anyio@3.7.1...4.0.0)

---
updated-dependencies:
- dependency-name: anyio
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -60,7 +60,7 @@ aiohttp==3.8.5 ; python_version >= '3.6'
 
 aiosignal==1.3.1 ; python_version >= '3.7'
 
-anyio==3.7.1 ; python_version >= '3.7'
+anyio==4.0.0 ; python_version >= '3.7'
 
 async-timeout==4.0.3 ; python_version >= '3.6'