Bump aiohttp from 3.12.15 to 3.13.3 in /application/single_app

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.13.3
  dependency-type: direct:production
...

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Author: dependabot[bot]

application/single_app/requirements.txt

@@ -49,7 +49,7 @@ azure-monitor-opentelemetry==1.6.13
 psycopg2-binary==2.9.10
 cython
 pyyaml==6.0.2
-aiohttp==3.12.15
+aiohttp==3.13.3
 html2text==2025.4.15
 matplotlib==3.10.7
 azure-cognitiveservices-speech==1.47.0