Update aiohttp requirement from >=3.9.0 to >=3.13.5

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.13.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
 requests>=2.31.0
 aiofiles>=24.1.0
 aiogram>=3.13.1
-aiohttp>=3.9.0
+aiohttp>=3.13.5