Bump anyio[curio,trio] in /testing/plugins_integration
Bump anyio[curio,trio] in /testing/plugins_integration

Bumps [anyio[curio,trio]](https://github.com/agronholm/anyio) from 3.0.0 to 3.0.1.
- [Release notes](https://github.com/agronholm/anyio/releases)
- [Changelog](https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst)
- [Commits](https://github.com/agronholm/anyio/compare/3.0.0...3.0.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
markshao/pytest,pytest-dev/pytest,Akasurde/pytest,RonnyPfannschmidt/pytest