update dependencies

build.gradle

@@ -13,7 +13,7 @@ buildscript {
 
 plugins {
   // usage: gradle dependencyUpdates -Drevision=release
-  id "com.github.ben-manes.versions" version "0.39.0"
+  id "com.github.ben-manes.versions" version "0.42.0"
 }
 
 apply plugin: 'java'
@@ -22,8 +22,8 @@ apply plugin: 'eclipse'
 
 ext {
   javaVersion=11
-  version_junit = '5.7.2'
-  version_junit_platform = '1.7.2'
+  version_junit = '5.9.0'
+  version_junit_platform = '1.9.0'
 }
 
 
@@ -50,7 +50,6 @@ subprojects {
 	// the repositories for external depenencies
 	repositories {
 		mavenCentral()
-		jcenter()
 	}
 		
 	/**
@@ -107,5 +106,5 @@ subprojects {
 }
 
 wrapper {
-	gradleVersion = '7.1.1'
+	gradleVersion = '7.5.1'
 }