fix: convert oneOf to anyOf in strict schema for OpenAI compatibility#1884

seratch merged 3 commits intoopenai:mainopenai/openai-agents-python:mainfrom

ruskaruma:fix/oneof-to-anyof-in-strict-schemaruskaruma/openai-agents-python:fix/oneof-to-anyof-in-strict-schemaCopy head branch name to clipboard