Dequeue / Deregister script and replace it with a new plugin

Please try below code –

function fixUlisting() {
    wp_deregister_script( 'stm-search-form-category' );
    wp_dequeue_script( 'stm-search-form-category' );
    
    wp_enqueue_script( 'stm-search-fix', plugins_url().'/ulisting-search-fix/stm-search-fix.js' );
}
add_action( 'wp_enqueue_scripts', 'fixUlisting', 100 );