chore(main): release 2.2.0

Author: y-lakhdar

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.coveo</groupId>
     <artifactId>push-api-client.java</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <name>${project.groupId}:${project.artifactId}</name>
     <packaging>jar</packaging>
     <description>Coveo Push API client. See more on https://github.com/coveo/push-api-client.java</description>