Bump aiohttp from 3.8.1 to 3.8.3 (#502)

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.8.1 to 3.8.3.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.8.1...v3.8.3)

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

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

requirements.txt

@@ -1,2 +1,2 @@
-aiohttp==3.8.1
+aiohttp==3.8.3
 pydantic==1.10.2