Update SpringSecurityCoreVersion

core/src/main/java/org/springframework/security/core/SpringSecurityCoreVersion.java

@@ -18,7 +18,7 @@ public class SpringSecurityCoreVersion {
      * N.B. Classes are not intended to be serializable between different versions.
      * See SEC-1709 for why we still need a serial version.
      */
-    public static final long SERIAL_VERSION_UID = 310L;
+    public static final long SERIAL_VERSION_UID = 320L;
 
     static final String SPRING_MAJOR_VERSION = "3";