Merge branch 'dev' into to/#517-fix-code-smells

Author: t-ober

build.gradle

@@ -6,7 +6,7 @@ plugins {
 	id 'pmd' // code check, working on source code
 	id 'com.diffplug.spotless' version '6.2.0'//code format
 	id 'com.github.spotbugs' version '5.0.5' // code check, working on byte code
-	id 'de.undercouch.download' version '4.1.2'
+	id 'de.undercouch.download' version '5.0.1'
 	id 'kr.motd.sphinx' version '2.10.1' // documentation generation
 	id 'jacoco' // java code coverage plugin
 	id "org.sonarqube" version "3.3" // sonarqube