build(deps): bump aiohttp from 3.8.6 to 3.9.0 (#206)

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.8.6 to 3.9.0.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.8.6...v3.9.0)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Diff for: requirements.txt

@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 cachetools==5.3.1
 fixit==0.1.4
 gidgethub==5.3.0