Make SessionUpdateEntryProcessor public

Resolves: #1265

Author: vpavic

spring-session-hazelcast/src/main/java/org/springframework/session/hazelcast/SessionUpdateEntryProcessor.java

@@ -32,7 +32,8 @@
  * @since 2.0.5
  * @see HazelcastSessionRepository#save(HazelcastSessionRepository.HazelcastSession)
  */
-class SessionUpdateEntryProcessor extends AbstractEntryProcessor<String, MapSession> {
+public class SessionUpdateEntryProcessor
+		extends AbstractEntryProcessor<String, MapSession> {
 
 	private Instant lastAccessedTime;