Bump aiohttp from 3.10.10 to 3.10.11 in /backend (#728)

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.10.10 to 3.10.11.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](https://github.com/aio-libs/aiohttp/compare/v3.10.10...v3.10.11)

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

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backend/pyproject.toml

@@ -16,7 +16,7 @@ include = [
 [tool.poetry.dependencies]
 python = ">=3.10,<3.13"
 
-aiohttp = "^3.9.5"
+aiohttp = "^3.10.11"
 aiohttp-jinja2 = "^1.5.1"
 aiohttp-cors = "^0.7.0"
 watchdog = "^4"