Bump aiohttp from 3.9.3 to 3.9.4

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.9.3 to 3.9.4.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.9.3...v3.9.4)

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

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

requirements.txt

@@ -1,6 +1,6 @@
 cherry_picker==2.2.0
 #git+https://github.com/python/cherry-picker.git@remove-initial-state#egg=cherry_picker
-aiohttp==3.9.3
+aiohttp==3.9.4
 gidgethub==5.3.0
 cachetools==5.3.3
 redis==5.0.3