LNX-285 - Update php socket client to 2.x to support PHP8

Author: Michael Mantos

composer.json

@@ -10,7 +10,7 @@
         "psr/log": "~1.0",
         "guzzlehttp/guzzle": "^6.3",
         "guzzlehttp/psr7": "^1.6",
-        "php-http/socket-client": "^1.4",
+        "php-http/socket-client": "^2.0",
         "php-http/message": "^1.8"
     },
     "autoload": {