fix(deps): update spring core to v3.2.18.release

Author: renovate-bot

pom.xml

@@ -288,7 +288,7 @@
             <dependency>
                 <groupId>org.springframework</groupId>
                 <artifactId>spring-webmvc-portlet</artifactId>
-                <version>3.1.4.RELEASE</version>
+                <version>3.2.18.RELEASE</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>
@@ -298,17 +298,17 @@
             <dependency>
                 <groupId>org.springframework</groupId>
                 <artifactId>spring-beans</artifactId>
-                <version>3.1.4.RELEASE</version>
+                <version>3.2.18.RELEASE</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>
                 <artifactId>spring-context-support</artifactId>
-                <version>3.1.4.RELEASE</version>
+                <version>3.2.18.RELEASE</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>
                 <artifactId>spring-orm</artifactId>
-                <version>3.1.4.RELEASE</version>
+                <version>3.2.18.RELEASE</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>