Upgrade to Hazelcast 3.11

Closes gh-14949

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/resources/cache/test-hazelcast.xml

-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		xmlns="http://www.hazelcast.com/schema/config"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 	<map name="books"/>

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/resources/hazelcast.xml

 <hazelcast
-		xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+		xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		xmlns="http://www.hazelcast.com/schema/config"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 	<map name="defaultCache" />

spring-boot-project/spring-boot-actuator/src/test/resources/cache/test-hazelcast.xml

-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		xmlns="http://www.hazelcast.com/schema/config"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 	<map name="books"/>

spring-boot-project/spring-boot-actuator/src/test/resources/hazelcast.xml

 <hazelcast
-		xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+		xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		xmlns="http://www.hazelcast.com/schema/config"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 	<map name="defaultCache" />

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/hazelcast/HazelcastAutoConfigurationClientTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@
 package org.springframework.boot.autoconfigure.hazelcast;
 
 import com.hazelcast.client.config.ClientConfig;
-import com.hazelcast.client.impl.HazelcastClientProxy;
+import com.hazelcast.client.impl.clientside.HazelcastClientProxy;
 import com.hazelcast.config.Config;
 import com.hazelcast.core.Hazelcast;
 import com.hazelcast.core.HazelcastInstance;

spring-boot-project/spring-boot-autoconfigure/src/test/resources/hazelcast.xml

 <hazelcast
-	xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+	xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 	xmlns="http://www.hazelcast.com/schema/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 	<instance-name>default-instance</instance-name>
 	<map name="defaultCache" />

spring-boot-project/spring-boot-autoconfigure/src/test/resources/org/springframework/boot/autoconfigure/hazelcast/hazelcast-client-specific.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <hazelcast-client xmlns="http://www.hazelcast.com/schema/client-config"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		xsi:schemaLocation="http://www.hazelcast.com/schema/client-config hazelcast-client-config-3.10.xsd">
+		xsi:schemaLocation="http://www.hazelcast.com/schema/client-config hazelcast-client-config-3.11.xsd">
 
 </hazelcast-client>

spring-boot-project/spring-boot-autoconfigure/src/test/resources/org/springframework/boot/autoconfigure/hazelcast/hazelcast-specific.xml

-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		   xmlns="http://www.hazelcast.com/schema/config"
 		   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 

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

@@ -68,7 +68,7 @@
 		<gson.version>2.8.5</gson.version>
 		<h2.version>1.4.197</h2.version>
 		<hamcrest.version>1.3</hamcrest.version>
-		<hazelcast.version>3.10.6</hazelcast.version>
+		<hazelcast.version>3.11</hazelcast.version>
 		<hazelcast-hibernate5.version>1.2.3</hazelcast-hibernate5.version>
 		<hibernate.version>5.3.7.Final</hibernate.version>
 		<hibernate-validator.version>6.0.13.Final</hibernate-validator.version>

spring-boot-samples/spring-boot-sample-cache/src/main/resources/hazelcast.xml

-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		   xmlns="http://www.hazelcast.com/schema/config"
 		   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 

spring-boot-samples/spring-boot-sample-session/src/main/resources/hazelcast.xml

-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.10.xsd"
+<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.11.xsd"
 		   xmlns="http://www.hazelcast.com/schema/config"
 		   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">