Upgrade test and sample dependencies

This is needed in order for them to work with Spring Data 2020.0.0

Author: eleftherias

gradle/dependency-management.gradle

@@ -21,7 +21,7 @@ dependencyManagement {
 		dependency 'com.oracle.database.jdbc:ojdbc8:19.8.0.0'
 		dependency 'com.zaxxer:HikariCP:3.4.5'
 		dependency 'edu.umd.cs.mtc:multithreadedtc:1.01'
-		dependency 'io.lettuce:lettuce-core:5.3.4.RELEASE'
+		dependency 'io.lettuce:lettuce-core:6.0.1.RELEASE'
 		dependency 'javax.annotation:javax.annotation-api:1.3.2'
 		dependency 'javax.servlet:javax.servlet-api:4.0.1'
 		dependency 'junit:junit:4.13.1'

spring-session-samples/spring-session-sample-boot-webflux/spring-session-sample-boot-webflux.gradle

@@ -1,5 +1,7 @@
 apply plugin: 'io.spring.convention.spring-sample-boot'
 
+ext['spring-data-bom.version'] = '2020.0.0'
+
 dependencies {
 	compile project(':spring-session-data-redis')
 	compile "org.springframework.boot:spring-boot-starter-webflux"