CLN: The smallest typo correction, "engine" lacked an "n". (#57134)

The smallest typo correction, "engine" lacked an "n".

Author: samuelpx

pandas/_typing.py

@@ -332,7 +332,7 @@ def readline(self) -> AnyStr_co:
 
     @property
     def closed(self) -> bool:
-        # for enine=pyarrow
+        # for engine=pyarrow
         ...