Bump de.undercouch.download from 4.1.2 to 5.6.0

Bumps [de.undercouch.download](https://github.com/michel-kraemer/gradle-download-task) from 4.1.2 to 5.6.0.
- [Release notes](https://github.com/michel-kraemer/gradle-download-task/releases)
- [Commits](michel-kraemer/gradle-download-task@4.1.2...5.6.0)

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

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

data-prepper-plugins/geoip-processor/build.gradle

@@ -4,7 +4,7 @@
  */
 
 plugins{
-    id 'de.undercouch.download' version '5.5.0'
+    id 'de.undercouch.download' version '5.6.0'
 }
 apply plugin: 'de.undercouch.download'
 

release/archives/build.gradle

@@ -4,7 +4,7 @@
  */
 
 plugins {
-    id 'de.undercouch.download' version '4.1.2' apply false
+    id 'de.undercouch.download' version '5.6.0' apply false
 }
 
 import com.mgd.core.gradle.S3Upload