Bump aiohttp from 3.11.8 to 3.11.11 (#943)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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pyproject.toml

@@ -29,7 +29,7 @@ dependencies = [
 [project.optional-dependencies]
 ci = [
     # pinned for reproducible CI
-    "aiohttp==3.11.8",
+    "aiohttp==3.11.11",
     "async-timeout==5.0.1",
     "multidict==6.1.0",
     "yarl==1.18.3",