Change markup for Site Identity

functions.php

function astra_site_branding_markup() {
		?>
    <!-- My Custom Markup -->
		<div class="site-branding">
			<div
			<?php
				echo astra_attr(
					'site-identity',
					array(
						'class' => 'ast-site-identity',
					)
				);
			?>
			>
				<?php astra_logo(); ?>
			</div>
		</div>

		<!-- .site-branding -->
		<?php
}