Bump aiohttp[speedups] from 3.7.4 to 3.8.1 (#186)

Bump aiohttp[speedups] from 3.7.4 to 3.8.1 (#186)

Bumps [aiohttp[speedups]](https://github.com/aio-libs/aiohttp) from 3.7.4 to 3.8.1.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](https://github.com/aio-libs/aiohttp/compare/v3.7.4...v3.8.1)

---
updated-dependencies:
- dependency-name: aiohttp[speedups]
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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