Bump ratchet/pawl to ^0.4.3 for guzzle api consistency

Author: andrewmy

composer.json

@@ -16,8 +16,9 @@
         "influxdb/influxdb-php": "^1.14",
         "datadog/php-datadogstatsd": "^1.3",
         "thruway/client": "^0.5.5",
-        "thruway/pawl-transport": "^0.5",
-        "voryx/thruway-common": "^1.0.1"
+        "thruway/pawl-transport": "^0.5.2",
+        "voryx/thruway-common": "^1.0.1",
+        "ratchet/pawl": "^0.4.3"
     },
     "suggest": {
         "thruway/client": "Client for Thruway and the WAMP (Web Application Messaging Protocol).",