Bump aiohttp from 3.6.1 to 3.6.2

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.6.1 to 3.6.2.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.6.1...v3.6.2)

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

test-requirements.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile test-requirements.in
 #
-aiohttp==3.6.1
+aiohttp==3.6.2
 apipkg==1.5               # via execnet
 async-timeout==3.0.1      # via aiohttp
 atomicwrites==1.3.0       # via pytest