A Better Gradle Registry Snippet

snippet.kts

maven {
    name = "GitHubPackages"
    url = uri("https://maven.pkg.github.com/OWNER/REPOSITORY")
    credentials {
        username = project.findProperty("gpr.user") as String? ?: (System.getenv("USERNAME")
            ?: error("No GitHub Packages Gradle registry username specified."))
        password = project.findProperty("gpr.key") as String? ?: (System.getenv("TOKEN")
            ?: error("No GitHub Packages Gradle registry password specified."))
    }
}