build(deps): bump async-timeout from 4.0.1 to 4.0.2 (#71)

Bumps [async-timeout](https://github.com/aio-libs/async-timeout) from 4.0.1 to 4.0.2.
- [Release notes](https://github.com/aio-libs/async-timeout/releases)
- [Changelog](https://github.com/aio-libs/async-timeout/blob/master/CHANGES.rst)
- [Commits](aio-libs/async-timeout@v4.0.1...v4.0.2)

---
updated-dependencies:
- dependency-name: async-timeout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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