chore: upgrade all dependencies to latest

Bump every dependency to its latest version (aiohttp 3.14.1, pydantic 2.13.4, ariadne-codegen 0.18.0, ruff 0.15.17, plus transitives). Regenerated client via make codegen with no changes to generated output; lint and all 82 tests pass.

Author: jdaberkow

pyproject.toml

@@ -27,7 +27,7 @@ test = [
   "pytest==9.0.3",
   "pytest-asyncio==1.4.0",
   "pytest-cov==7.1.0",
-  "ruff==0.15.16",
+  "ruff==0.15.17",
 ]
 dev = [
   "ariadne-codegen[subscriptions]",