Replace abc.abstractproperty with property and abc.abstractmethod

Replace abc.abstractproperty with property and abc.abstractmethod,
as abc.abstractproperty has been deprecated since python3.3[1]

[1]https://docs.python.org/3.8/whatsnew/3.3.html?highlight=deprecated#abc

Change-Id: I24f62b02f292ce7a0bc21d4a39fc7787c87098ca

kuryr_kubernetes/handlers/dispatch.py

@@ -80,7 +80,8 @@ class EventConsumer(h_base.EventHandler, metaclass=abc.ABCMeta):
     def __init__(self):
         super(EventConsumer, self).__init__()
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def consumes(self):
         """Predicates determining events supported by this handler.