Bump aiohttp from 3.7.4 to 3.8.6

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.7.4 to 3.8.6.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.7.4...v3.8.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ pytest==7.1.2
 python-dateutil==2.8.0
 requests==2.22.0
 jsonschema==3.2.0
-aiohttp==3.7.4
+aiohttp==3.8.6
 azure-functions>=1.11.3b3
 nox==2019.11.9
 furl==2.1.0