Upgrade to Hazelcast 3.11.4

Closes gh-16837

Author: snicoll

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -68,7 +68,7 @@
 		<gson.version>2.8.5</gson.version>
 		<h2.version>1.4.199</h2.version>
 		<hamcrest.version>1.3</hamcrest.version>
-		<hazelcast.version>3.11.3</hazelcast.version>
+		<hazelcast.version>3.11.4</hazelcast.version>
 		<hazelcast-hibernate5.version>1.2.3</hazelcast-hibernate5.version>
 		<hibernate.version>5.3.10.Final</hibernate.version>
 		<hibernate-validator.version>6.0.16.Final</hibernate-validator.version>