[7.1] Websocket Maven Dependency Wrong in Documentation in Developer Guide for 7.1

This was reported by a customer, Myee Riri, on the Customer Portal discussion forum (https://access.redhat.com/discussions/3332721):

This

<dependency>

<groupId>org.jboss.spec.javax.websocket</groupId>

<artifactId>jboss-websocket-api_1.0_spec</artifactId>

<version>1.0.0.Final</version>

<scope>provided</scope>

</dependency>

should be

<dependency>

<groupId>org.jboss.spec.javax.websocket</groupId>

<artifactId>jboss-websocket-api_1.1_spec</artifactId>

<scope>provided</scope>

</dependency>