chore(deps): bump aiohttp from 3.12.15 to 3.13.3 in /src/api

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/api/requirements.txt

@@ -9,7 +9,7 @@ pydantic[email]
 azure-core==1.35.1
 requests==2.32.5
 types-requests==2.32.4.20250913
-aiohttp==3.12.15
+aiohttp==3.13.3
 
 # Azure Services
 azure-identity==1.25.0