Bump anyio from 4.8.0 to 4.9.0 (#2073)

Bumps [anyio](https://github.com/agronholm/anyio) from 4.8.0 to 4.9.0.
- [Release notes](https://github.com/agronholm/anyio/releases)
- [Changelog](https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst)
- [Commits](agronholm/anyio@4.8.0...4.9.0)

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

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Author: dependabot[bot]