Bump de.undercouch.download from 5.6.0 to 5.7.0

Bumps [de.undercouch.download](https://github.com/michel-kraemer/gradle-download-task) from 5.6.0 to 5.7.0.
- [Release notes](https://github.com/michel-kraemer/gradle-download-task/releases)
- [Commits](michel-kraemer/gradle-download-task@5.6.0...5.7.0)

---
updated-dependencies:
- dependency-name: de.undercouch.download
  dependency-version: 5.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -31,7 +31,7 @@ plugins {
     id 'maven-publish'                                  // Publishing to Maven Central
     id 'pmd'                                            // PMD for Java, configured further below
     id 'idea'                                           // For IntelliJ IDEA users
-    id 'de.undercouch.download' version '5.6.0'         // Shows download percentage
+    id 'de.undercouch.download' version '5.7.0'         // Shows download percentage
     id 'edu.sc.seis.launch4j' version '4.0.0'           // Creates launch4j
     id 'com.github.ben-manes.versions' version '0.53.0' // Checks versions for plugins and dependencies
     id 'com.dorongold.task-tree' version '4.0.1'        // Prints the task dependency tree