Merge pull request #137 from duhenglucky/master

Upgrade rocketmq dependency to 4.5.2
diff --git a/rocketmq-spring-boot-parent/pom.xml b/rocketmq-spring-boot-parent/pom.xml
index 3c66f18..21cf25b 100644
--- a/rocketmq-spring-boot-parent/pom.xml
+++ b/rocketmq-spring-boot-parent/pom.xml
@@ -40,7 +40,7 @@
 
         <rocketmq.spring.boot.version>2.0.4-SNAPSHOT</rocketmq.spring.boot.version>
 
-        <rocketmq-version>4.5.1</rocketmq-version>
+        <rocketmq-version>4.5.2</rocketmq-version>
         <slf4j.version>1.7.25</slf4j.version>
         <jackson.version>2.9.7</jackson.version>