Fix is_float_array stub arguments inconsistent

Author: heoh

pandas/_libs/lib.pyi

@@ -60,7 +60,7 @@ def is_time_array(values: np.ndarray, skipna: bool = ...): ...
 def is_date_array(values: np.ndarray, skipna: bool = ...): ...
 def is_datetime_array(values: np.ndarray, skipna: bool = ...): ...
 def is_string_array(values: np.ndarray, skipna: bool = ...): ...
-def is_float_array(values: np.ndarray): ...
+def is_float_array(values: np.ndarray, skipna: bool = ...): ...
 def is_integer_array(values: np.ndarray, skipna: bool = ...): ...
 def is_bool_array(values: np.ndarray, skipna: bool = ...): ...
 def fast_multiget(