Bump aiohttp from 3.6.2 to 3.8.5

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.6.2 to 3.8.5.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/v3.8.5/CHANGES.rst)
- [Commits](https://github.com/aio-libs/aiohttp/compare/v3.6.2...v3.8.5)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -13,4 +13,4 @@ scikit-image==0.16.2
 opencv-python==4.2.0.34
 pandas==1.0.1
 aiofiles==0.5.0
-aiohttp==3.6.2
+aiohttp==3.8.5