Upgrade test dependencies

Author: eleftherias

gradle/dependency-management.gradle

@@ -5,7 +5,7 @@ dependencyManagement {
 		mavenBom 'org.springframework:spring-framework-bom:5.2.4.RELEASE'
 		mavenBom 'org.springframework.data:spring-data-releasetrain:Moore-SR5'
 		mavenBom 'org.springframework.security:spring-security-bom:5.2.2.RELEASE'
-		mavenBom 'org.testcontainers:testcontainers-bom:1.12.2'
+		mavenBom 'org.testcontainers:testcontainers-bom:1.12.5'
 	}
 
 	dependencies {
@@ -20,16 +20,16 @@ dependencyManagement {
 		dependency 'com.oracle.ojdbc:ojdbc8:19.3.0.0'
 		dependency 'com.zaxxer:HikariCP:3.4.1'
 		dependency 'edu.umd.cs.mtc:multithreadedtc:1.01'
-		dependency 'io.lettuce:lettuce-core:5.2.0.RELEASE'
+		dependency 'io.lettuce:lettuce-core:5.2.2.RELEASE'
 		dependency 'javax.annotation:javax.annotation-api:1.3.2'
 		dependency 'javax.servlet:javax.servlet-api:4.0.1'
 		dependency 'junit:junit:4.12'
-		dependency 'mysql:mysql-connector-java:8.0.17'
+		dependency 'mysql:mysql-connector-java:8.0.19'
 		dependency 'org.apache.derby:derby:10.14.2.0'
 		dependency 'org.assertj:assertj-core:3.13.2'
 		dependency 'org.hsqldb:hsqldb:2.5.0'
 		dependency 'org.mariadb.jdbc:mariadb-java-client:2.4.4'
 		dependency 'org.mockito:mockito-core:3.0.0'
-		dependency 'org.postgresql:postgresql:42.2.8'
+		dependency 'org.postgresql:postgresql:42.2.12'
 	}
 }