Bump aiohttp in /end-to-end-use-cases/whatsapp_llama_4_bot

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

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

end-to-end-use-cases/whatsapp_llama_4_bot/requirements.txt

@@ -1,5 +1,5 @@
 aiohappyeyeballs==2.6.1
-aiohttp==3.11.16
+aiohttp==3.13.4
 aiosignal==1.3.2
 annotated-types==0.7.0
 anyio==4.9.0