Bump anyio from 4.2.0 to 4.3.0 in /it/python

Bumps [anyio](https://github.com/agronholm/anyio) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/agronholm/anyio/releases)
- [Changelog](https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst)
- [Commits](agronholm/anyio@4.2.0...4.3.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

it/python/requirements-dev.txt

@@ -70,7 +70,7 @@ aiohttp==3.9.3 ; python_version >= '3.6'
 
 aiosignal==1.3.1 ; python_version >= '3.7'
 
-anyio==4.2.0 ; python_version >= '3.7'
+anyio==4.3.0 ; python_version >= '3.7'
 
 async-timeout==4.0.3 ; python_version >= '3.6'