Bump aiohttp from 3.9.3 to 3.9.4 in /fastapi-starter

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: indirect
...

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

Author: dependabot[bot]