WordPress at a glance
action is not described

woocommerce_updated action-hook . WC 1.0

Usage

add_action( 'woocommerce_updated', 'action_function_name_2979' );
function action_function_name_2979(){
	// action...
}

Where the hook is called

WC_Install::check_version()
woocommerce_updated
woocommerce/includes/class-wc-install.php 189
do_action( 'woocommerce_updated' );

Where in WP core the hook is used WooCommerce

woocommerce/packages/woocommerce-admin/src/Features/Onboarding.php 73
add_action( 'woocommerce_updated', array( $this, 'maybe_mark_complete' ) );