Bump de.undercouch.download from 5.5.0 to 5.6.0 (#3774)

Bumps [de.undercouch.download](https://github.com/michel-kraemer/gradle-download-task) from 5.5.0 to 5.6.0.
- [Release notes](https://github.com/michel-kraemer/gradle-download-task/releases)
- [Commits](https://github.com/michel-kraemer/gradle-download-task/compare/5.5.0...5.6.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -178,4 +178,4 @@ room = { id = "androidx.room", version.ref = "room" }
 
 protobuf = { id = "com.google.protobuf", version = "0.9.4" }
 
-download = { id = "de.undercouch.download", version = "5.5.0" }
+download = { id = "de.undercouch.download", version = "5.6.0" }