Add typing_extensions.evaluate_forward_ref #488

+ /usr/bin/python3 -m unittest discover
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FAIL: test_drop_in_for_typing (test_typing_extensions.AllTests.test_drop_in_for_typing)
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Traceback (most recent call last):
  File "/builddir/build/BUILD/python-typing-extensions-4.12.2-build/typing_extensions-4.12.2/src/test_typing_extensions.py", line 5747, in test_drop_in_for_typing
    self.assertGreaterEqual(te_all, t_all - exceptions)
    ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: {'final', 'SupportsComplex', 'TYPE_CHECKING', 'Generator', 'Dict', 'Required', 'MutableSequence', 'cast', 'no_type_check_decorator', 'OrderedDict', 'ParamSpec', 'ChainMap', 'Collection', 'Deque', 'Container', 'clear_overloads', 'IO', 'NotRequired', 'NoReturn', 'NamedTuple', 'LiteralString', 'Set', 'Self', 'Awaitable', 'MutableSet', 'AsyncGenerator', 'TypeIs', 'Literal', 'Mapping', 'Iterator', 'DefaultDict', 'ClassVar', 'ParamSpecArgs', 'MutableMapping', 'CapsuleType', 'get_origin', 'ValuesView', 'is_typeddict', 'Match', 'SupportsFloat', 'TextIO', 'Doc', 'get_type_hints', 'Final', 'NewType', 'TypeAliasType', 'Reversible', 'FrozenSet', 'Never', 'AsyncContextManager', 'Hashable', 'get_args', 'ReadOnly', 'runtime', 'BinaryIO', 'TypeVar', 'Sized', 'IntVar', 'Optional', 'AsyncIterator', 'Any', 'ItemsView', 'Coroutine', 'MappingView', 'KeysView', 'is_protocol', 'get_overloads', 'Annotated', 'AnyStr', 'NoDefault', 'dataclass_transform', 'Buffer', 'TypeAlias', 'get_protocol_members', 'SupportsBytes', 'overload', 'Sequence', 'Unpack', 'AbstractSet', 'reveal_type', 'ParamSpecKwargs', 'SupportsAbs', 'Text', 'SupportsIndex', 'Type', 'TypedDict', 'Counter', 'Union', 'Pattern', 'get_original_bases', 'Protocol', 'SupportsRound', 'TypeVarTuple', 'assert_never', 'List', 'Iterable', 'Concatenate', 'runtime_checkable', 'Tuple', 'TypeGuard', 'override', 'no_type_check', 'deprecated', 'AsyncIterable', 'ForwardRef', 'ContextManager', 'Callable', 'Generic', 'SupportsInt', 'assert_type'} not greater than or equal to {'final', 'SupportsComplex', 'AsyncContextManager', 'evaluate_forward_ref', 'TYPE_CHECKING', 'Hashable', 'Generator', 'get_args', 'ReadOnly', 'Dict', 'Required', 'MutableSequence', 'cast', 'BinaryIO', 'TypeVar', 'Sized', 'no_type_check_decorator', 'OrderedDict', 'Optional', 'ParamSpec', 'ChainMap', 'AsyncIterator', 'Any', 'ItemsView', 'Collection', 'Coroutine', 'MappingView', 'KeysView', 'is_protocol', 'get_overloads', 'Deque', 'Annotated', 'AnyStr', 'NoDefault', 'Container', 'clear_overloads', 'dataclass_transform', 'IO', 'NotRequired', 'NoReturn', 'TypeAlias', 'get_protocol_members', 'SupportsBytes', 'NamedTuple', 'LiteralString', 'Sequence', 'overload', 'AbstractSet', 'Set', 'Unpack', 'Awaitable', 'Self', 'reveal_type', 'SupportsAbs', 'ParamSpecKwargs', 'Text', 'MutableSet', 'AsyncGenerator', 'SupportsIndex', 'Type', 'TypeIs', 'Literal', 'Mapping', 'TypedDict', 'Union', 'Counter', 'Pattern', 'Protocol', 'Iterator', 'DefaultDict', 'ClassVar', 'ParamSpecArgs', 'MutableMapping', 'SupportsRound', 'get_origin', 'TypeVarTuple', 'assert_never', 'ValuesView', 'List', 'is_typeddict', 'Iterable', 'Match', 'Concatenate', 'SupportsFloat', 'runtime_checkable', 'Tuple', 'TypeGuard', 'TextIO', 'no_type_check', 'get_type_hints', 'override', 'Final', 'NewType', 'AsyncIterable', 'ForwardRef', 'ContextManager', 'TypeAliasType', 'Reversible', 'Callable', 'Generic', 'FrozenSet', 'Never', 'SupportsInt', 'assert_type'}