Bump aiorun from 2020.12.1 to 2021.8.1 (#156)

Bump aiorun from 2020.12.1 to 2021.8.1 (#156)

Bumps [aiorun](https://github.com/cjrh/aiorun) from 2020.12.1 to 2021.8.1.
- [Release notes](https://github.com/cjrh/aiorun/releases)
- [Changelog](https://github.com/cjrh/aiorun/blob/master/CHANGES)
- [Commits](https://github.com/cjrh/aiorun/compare/v2020.12.1...v2021.8.1)

---
updated-dependencies:
- dependency-name: aiorun
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>