Rename the decorator wrapper function to make its name easier to find

In a profile it comes up as generic "wrapper" so rename it
to timeMethod_wrapper makes it easier to find.

python/lsst/utils/timer.py

@@ -306,7 +306,7 @@ def run(self, ...): # or any other instance method you want to time
 
     def decorator_timer(func: Callable) -> Callable:
         @functools.wraps(func)
-        def wrapper(self: Any, *args: Any, **keyArgs: Any) -> Any:
+        def timeMethod_wrapper(self: Any, *args: Any, **keyArgs: Any) -> Any:
             # Adjust the stacklevel to account for the wrappers.
             stacklevel = 2
             logInfo(obj=self, prefix=func.__name__ + "Start", metadata=metadata, logger=logger,
@@ -317,7 +317,7 @@ def wrapper(self: Any, *args: Any, **keyArgs: Any) -> Any:
                 logInfo(obj=self, prefix=func.__name__ + "End", metadata=metadata, logger=logger,
                         logLevel=logLevel, stacklevel=stacklevel)
             return res
-        return wrapper
+        return timeMethod_wrapper
 
     if _func is None:
         return decorator_timer