Bump aiohttp from 3.8.1 to 3.8.5 (#433)

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.8.1 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@v3.8.1...v3.8.5)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -7,7 +7,7 @@
 ##     /home/openmaptiles/.local/bin/pip-upgrade --skip-virtualenv-check
 ##        choose all if asked
 ##     this file should now be updated
-aiohttp==3.8.1
+aiohttp==3.8.5
 ascii_graph==1.5.1
 asyncpg==0.25.0
 beautifulsoup4==4.10.0