Update README.md

Author: olamothe

README.md

@@ -10,7 +10,7 @@ Using Maven:
 <dependency>
   <groupId>com.coveo</groupId>
   <artifactId>push-api-client.java</artifactId>
-  <version>1.0.0</version>
+  <version>2.2.0</version>
 </dependency>
 ```
 
@@ -53,4 +53,4 @@ public class PushOneDocument {
 * cd into ./target
 * jar -cvf bundle.jar push-api-client.java-1.0.0-javadoc.jar push-api-client.java-1.0.0-javadoc.jar.asc push-api-client.java-1.0.0-sources.jar push-api-client.java-1.0.0-sources.jar.asc push-api-client.java-1.0.0.jar push-api-client.java-1.0.0.jar.asc push-api-client.java-1.0.0.pom push-api-client.java-1.0.0.pom.asc
 * Log into https://oss.sonatype.org/
-* Upload newly created bundle.jar
+* Upload newly created bundle.jar