Update dependency on barrier module

The amqp starter dependency has been renamed to amqp.

I had to shim the version because that is not coming across in the bom even with a refresh dependencies

Author: cppwfs

basic/barrier/pom.xml

@@ -73,7 +73,8 @@
     </dependency>
     <dependency>
       <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-amqp</artifactId>
+      <artifactId>spring-boot-starter-rabbitmq</artifactId>
+      <version>4.1.0-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>

build.gradle

@@ -574,7 +574,7 @@ project('barrier') {
 	dependencies {
 		api 'org.springframework.boot:spring-boot-starter-web'
 		api 'org.springframework.boot:spring-boot-starter-integration'
-		api 'org.springframework.boot:spring-boot-starter-amqp'
+		api 'org.springframework.boot:spring-boot-starter-rabbitmq:4.1.0-SNAPSHOT'
 		api 'org.springframework.integration:spring-integration-amqp'
 		api 'org.springframework.integration:spring-integration-http'