support simple consumer supports subscribing to multiple topics

Author: panzhi33

rocketmq-v5-client-spring-boot-samples/rocketmq-v5-client-consume-simple-subscribe-muliti-topic-demo/pom.xml

@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
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 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">