Bump aiohttp from 3.12.15 to 3.13.4

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

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

Author: dependabot[bot]

pyproject.toml

@@ -26,7 +26,7 @@ dependencies = [
     "jsonschema>=4.23.0,<5",
     "jsonref>=1.1.0,<2",
     "temporalio>=1.18.2,<2",
-    "aiohttp>=3.10.10,<4",
+    "aiohttp*",
     "redis>=5.2.0,<6",
     "litellm>=1.66.0,<2",
     "kubernetes>=25.0.0,<29.0.0",