update to merge syntax in submit_limit, fix non_master push mistake

piker/brokers/kraken.py

@@ -319,9 +319,9 @@ class Client:
         }
         if reqid is None:
             # Build order data for kraken api
-            data["ordertype"] = "limit"
-            data["type"] = action
-            data["volume"] = str(size)
+            data |= {
+                "ordertype": "limit", "type": action, "volume": str(size)
+            }
             return await self.endpoint('AddOrder', data)
         else:
             # Edit order data for kraken api