Revert graphql-core to stable versions 3.2.x

Author: leszekhanusz

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup, find_packages
 
 install_requires = [
-    "graphql-core>=3.3.0a3,<3.4",
+    "graphql-core>=3.2,<3.3",
     "yarl>=1.6,<2.0",
     "backoff>=1.11.1,<3.0",
     "anyio>=3.0,<5",