Deps: Bump anyio from 3.7.1 to 4.0.0 (#515)

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: indirect
  update-type: version-update:semver-major
...

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