Upgrade test dependencies

Author: eleftherias

gradle/dependency-management.gradle

@@ -1,15 +1,15 @@
 dependencyManagement {
 	imports {
 		mavenBom 'io.projectreactor:reactor-bom:Dysprosium-SR5'
-		mavenBom 'org.junit:junit-bom:5.6.0'
+		mavenBom 'org.junit:junit-bom:5.6.2'
 		mavenBom 'org.springframework:spring-framework-bom:5.2.4.RELEASE'
 		mavenBom 'org.springframework.data:spring-data-releasetrain:Neumann-M3'
 		mavenBom 'org.springframework.security:spring-security-bom:5.3.0.RC1'
-		mavenBom 'org.testcontainers:testcontainers-bom:1.12.2'
+		mavenBom 'org.testcontainers:testcontainers-bom:1.12.5'
 	}
 
 	dependencies {
-		dependencySet(group: 'com.hazelcast', version: '3.12.6') {
+		dependencySet(group: 'com.hazelcast', version: '3.12.7') {
 			entry 'hazelcast'
 			entry 'hazelcast-client'
 		}
@@ -24,12 +24,12 @@ dependencyManagement {
 		dependency 'javax.annotation:javax.annotation-api:1.3.2'
 		dependency 'javax.servlet:javax.servlet-api:4.0.1'
 		dependency 'junit:junit:4.13'
-		dependency 'mysql:mysql-connector-java:8.0.19'
+		dependency 'mysql:mysql-connector-java:8.0.20'
 		dependency 'org.apache.derby:derby:10.14.2.0'
 		dependency 'org.assertj:assertj-core:3.15.0'
 		dependency 'org.hsqldb:hsqldb:2.5.0'
 		dependency 'org.mariadb.jdbc:mariadb-java-client:2.4.4'
-		dependency 'org.mockito:mockito-core:3.3.0'
-		dependency 'org.postgresql:postgresql:42.2.10'
+		dependency 'org.mockito:mockito-core:3.3.3'
+		dependency 'org.postgresql:postgresql:42.2.12'
 	}
 }