Use lettuce rather than Jedis for actuator tests

spring-boot-actuator/pom.xml

@@ -82,6 +82,11 @@
 			<artifactId>metrics-core</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>io.lettuce</groupId>
+			<artifactId>lettuce-core</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>io.searchbox</groupId>
 			<artifactId>jest</artifactId>
@@ -261,11 +266,6 @@
 			<artifactId>hal-browser</artifactId>
 			<optional>true</optional>
 		</dependency>
-		<dependency>
-			<groupId>redis.clients</groupId>
-			<artifactId>jedis</artifactId>
-			<optional>true</optional>
-		</dependency>
 		<!-- Annotation processing -->
 		<dependency>
 			<groupId>org.springframework.boot</groupId>