Upgrade to Mockito 3.7, Checkstyle 8.39, RxJava 3.0.9, Joda-Time 2.10.9

Author: jhoeller

build.gradle

@@ -64,7 +64,7 @@ configure(allprojects) { project ->
 			dependency "io.reactivex:rxjava:1.3.8"
 			dependency "io.reactivex:rxjava-reactive-streams:1.2.1"
 			dependency "io.reactivex.rxjava2:rxjava:2.2.19"
-			dependency "io.reactivex.rxjava3:rxjava:3.0.8"
+			dependency "io.reactivex.rxjava3:rxjava:3.0.9"
 			dependency "io.projectreactor.tools:blockhound:1.0.4.RELEASE"
 
 			dependency "com.caucho:hessian:4.0.63"
@@ -197,7 +197,7 @@ configure(allprojects) { project ->
 					exclude group: "org.hamcrest", name: "hamcrest-core"
 				}
 			}
-			dependencySet(group: 'org.mockito', version: '3.6.28') {
+			dependencySet(group: 'org.mockito', version: '3.7.0') {
 				entry('mockito-core') {
 					exclude group: "org.hamcrest", name: "hamcrest-core"
 				}
@@ -236,7 +236,7 @@ configure(allprojects) { project ->
 
 			dependency "com.ibm.websphere:uow:6.0.2.17"
 			dependency "com.jamonapi:jamon:2.82"
-			dependency "joda-time:joda-time:2.10.8"
+			dependency "joda-time:joda-time:2.10.9"
 			dependency "org.eclipse.persistence:org.eclipse.persistence.jpa:2.7.7"
 			dependency "org.javamoney:moneta:1.3"
 
@@ -339,7 +339,7 @@ configure([rootProject] + javaProjects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "8.38"
+		toolVersion = "8.39"
 		configDirectory.set(rootProject.file("src/checkstyle"))
 	}