Bump aiohttp from 3.8.6 to 3.9.0 in /examples/server/aiohttp (#336) #…

…nolog

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
...

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

examples/server/aiohttp/requirements.txt

@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 async-timeout==1.1.0
 chardet==2.3.0
 multidict==2.1.4