Add default priority class

infra/priority-classes/values.yaml

@@ -15,3 +15,7 @@ priorityClasses:
     value: "900000"
     globalDefault: false
     description: "This priority class should be used for infra addon components."
+  - name: default
+    value: "500"
+    globalDefault: true
+    description: "The default priority class for everything"