build(deps): bump aiohttp from 3.13.3 to 3.13.4 in /src/processor

---
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]

src/processor/pyproject.toml

@@ -6,7 +6,7 @@ readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
     "agent-framework==1.0.0b260107",
-    "aiohttp==3.13.3",
+    "aiohttp==3.13.4",
     "art==6.5",
     "azure-ai-agents==1.2.0b5",
     "azure-ai-inference==1.0.0b9",