Replace finalize-deb.sh with Gradle DSL packagingResourcesRootDir
Once Compose offers the option packagingResourcesRootDir in its Gradle DSL (pull request/issue), we no longer need the utils/finalize-deb.sh script from !158 (merged).
Once Compose offers the option packagingResourcesRootDir in its Gradle DSL (pull request/issue), we no longer need the utils/finalize-deb.sh script from !158 (merged).