5.3.2

(fix): Fix enum values in reference.md and README snippets being rendered as string literals instead of enum references when using python_enums or forward_compatible_python_enums pydantic config.

(fix): Fix client_id and client_secret parameters missing from OAuth client credentials client instantiation examples in docstrings.

(fix): Fix objects and discriminated unions in reference.md and README snippets being rendered as dict literals instead of Pydantic model constructors. For example, order_type=OrderType_Market() instead of order_type={"type": "MARKET"}.