ACF: Populate select-field with Taxonomy names

functions.php

<?php
/**
 * List Taxonomies connected to Post Type in a Select Field type
 *
 * @param Array $field Field settings.
 * @return void
 */
function namespace_get_taxonomy_list( $field ) {

	$field['choices'] = array();

	$taxonomies = get_object_taxonomies( 'POST_TYPE', 'objects' );

	foreach ( $taxonomies as $taxonomy ) :

		$choices[ $taxonomy->name ] = $taxonomy->label;

	endforeach;

	$field['choices'] = $choices;

	return $field;

}

add_filter( 'acf/load_field/key=field_id', 'namespace_get_taxonomy_list' );