Update php-http/client-common to 2.2.1

Author: andrewmy

composer.json

@@ -32,7 +32,7 @@
     "aws/aws-sdk-php": "^3.26",
     "stomp-php/stomp-php": "^4",
     "php-http/guzzle6-adapter": "^1.1",
-    "php-http/client-common": "^1.7@dev",
+    "php-http/client-common": "^2.2.1",
     "richardfullmer/rabbitmq-management-api": "^2.0",
     "predis/predis": "^1.1",
     "thruway/client": "^0.5.0",

pkg/stomp/composer.json

@@ -11,7 +11,7 @@
         "stomp-php/stomp-php": "^4",
         "queue-interop/queue-interop": "^0.8",
         "php-http/guzzle6-adapter": "^1.1",
-        "php-http/client-common": "^1.7@dev",
+        "php-http/client-common": "^2.2.1",
         "richardfullmer/rabbitmq-management-api": "^2.0"
     },
     "require-dev": {