[ISSUE #443] Update Spring to 5.3.18 to fix CVE cve-2022-22965 aka Spring4shell.

Author: loganaden

rocketmq-spring-boot-parent/pom.xml

@@ -36,7 +36,7 @@
     <properties>
         <project.rootdir>${project.basedir}/..</project.rootdir>
         <spring.boot.version>2.5.9</spring.boot.version>
-        <spring.version>5.3.15</spring.version>
+        <spring.version>5.3.18</spring.version>
 
         <rocketmq.spring.boot.version>2.2.2-SNAPSHOT</rocketmq.spring.boot.version>