[2.x] Socket driver : default to 1.0 as protocol version (#54)

* default to 1.0 as protocol version

* fix pipleine

* fix phpcs

Author: SniperSister

ruleset.xml

@@ -19,8 +19,5 @@
     </rule>
 
     <rule ref="Joomla.Classes.InstantiateNewClasses">
-        <properties>
-            <property name="shortArraySyntax" value="true"/>
-        </properties>
     </rule>
 </ruleset>

src/Transport/Socket.php

@@ -85,7 +85,7 @@ public function request($method, UriInterface $uri, $data = null, array $headers
 		}
 
 		// Configure protocol version, use transport's default if not set otherwise.
-		$protocolVersion = $this->getOption('protocolVersion', '1.1');
+		$protocolVersion = $this->getOption('protocolVersion', '1.0');
 
 		// Build the request payload.
 		$request   = [];