Change Footer Widget Title’s Heading Tag

// Detail post here- https://wpastra.com/docs/change-footer-widget-title-heading-tag/
add_filter( 'astra_footer_widget_1args', 'widget_title_footer_1_tag', 10, 1 );
function widget_title_footer_1_tag( $atts ) {
    $atts['before_title'] = '<h1 class="widget-title">';
    $atts['after_title'] = '</h1>';
    return $atts;
}