Update plugin de.undercouch.download to v5.6.0 (#6262)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

settings.gradle.kts

@@ -2,7 +2,7 @@ pluginManagement {
   plugins {
     id("com.github.johnrengelman.shadow") version "8.1.1"
     id("com.gradle.enterprise") version "3.16.2"
-    id("de.undercouch.download") version "5.5.0"
+    id("de.undercouch.download") version "5.6.0"
     id("org.jsonschema2pojo") version "1.2.1"
     id("io.github.gradle-nexus.publish-plugin") version "1.3.0"
     id("org.graalvm.buildtools.native") version "0.10.1"