升级spring-framework到安全版本

pom.xml

@@ -18,7 +18,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
         <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
-        <spring-framework.version>5.3.33</spring-framework.version>
+        <spring-framework.version>5.3.39</spring-framework.version>
         <spring-security.version>5.7.12</spring-security.version>
         <druid.version>1.2.23</druid.version>
         <bitwalker.version>1.21</bitwalker.version>