Bump aiodns from 3.1.1 to 3.2.0

Bumps [aiodns](https://github.com/saghul/aiodns) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/saghul/aiodns/releases)
- [Changelog](https://github.com/saghul/aiodns/blob/master/ChangeLog)
- [Commits](aio-libs/aiodns@v3.1.1...v3.2.0)

---
updated-dependencies:
- dependency-name: aiodns
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]