in artifactregistry-gradle-plugin/src/main/java/com/google/cloud/artifactregistry/gradle/plugin/ArtifactRegistryGradlePlugin.java [159:162]
private void modifySettings(Settings s, @Nullable ArtifactRegistryPasswordCredentials crd) {
s.getPluginManagement().getRepositories().forEach(r -> configureArtifactRegistryRepository(r, crd));
s.getDependencyResolutionManagement().getRepositories().forEach(r -> configureArtifactRegistryRepository(r, crd));
}