Update processor pipeline JSON

Update policy_preprocessor.json and policy_postprocessor.json in the existing relative action processor PR.

policy_postprocessor.json

@@ -27,4 +27,4 @@
       }
     }
   ]
-}
+}

policy_preprocessor.json

@@ -56,4 +56,4 @@
       }
     }
   ]
-}
+}