SEC-1747: Upgrade to Spring LDAP 1.3.1

pom.xml

@@ -527,7 +527,7 @@
             <dependency>
                 <groupId>org.springframework.ldap</groupId>
                 <artifactId>spring-ldap-core</artifactId>
-                <version>1.3.0.RELEASE</version>
+                <version>1.3.1.RELEASE</version>
                 <exclusions>
                     <exclusion>
                         <groupId>org.springframework</groupId>