Change site URLs in WordPress database - covers all areas where the URLs appear, except for seralised strings, like customiser and widget options. Those will need to be updated manually or by using WP-CLI.

wordpress.sql

UPDATE wp_options SET option_value = replace(option_value, 'OLDURL', 'NEWURL') WHERE option_name = 'home' OR option_name = 'siteurl';

UPDATE wp_posts SET guid = replace(guid, 'OLDURL','NEWURL');

UPDATE wp_posts SET post_content = replace(post_content, 'OLDURL', 'NEWURL');

UPDATE wp_postmeta SET meta_value = replace(meta_value,'OLDURL','NEWURL');