pip(deps): bump aiohttp from 3.11.14 to 3.13.4

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.13.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 discord.py==2.6.3
-aiohttp==3.11.14
+aiohttp==3.13.4
 gidgethub==5.3.0
 python-dotenv==1.0.0
 python-Levenshtein==0.27.1