Use Spring Security auto-configuration in MongoDB samples

Author: vpavic

spring-session-samples/spring-session-sample-boot-mongodb-traditional/src/main/java/org/springframework/session/mongodb/examples/config/SecurityConfig.java

@@ -1,5 +1,5 @@
 spring.thymeleaf.cache=false
-spring.template.cache=false
+spring.security.user.password=password
 
 logging.level.org.springframework.data.mongodb=DEBUG
 logging.level.org.springframework.session=DEBUG