Bump aiohttp from 3.6.2 to 3.8.5 (#21)

* 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](aio-libs/aiohttp@v3.6.2...v3.8.5)

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

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

* Upgrade aioresponses

---------

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

Author: dependabot[bot]

requirements.txt

@@ -1,3 +1,3 @@
-aiohttp==3.6.2
+aiohttp==3.8.5
 cryptography==3.3.2
 ecdsa==0.13.3

requirements_dev.txt

@@ -1,4 +1,4 @@
-aioresponses==0.6.1
+aioresponses==0.7.4
 Click==7.0
 coverage==4.5.4
 flake8==3.7.8