Add @subcommand check-update annotations

Co-authored-by: swissspidy <[email protected]>

Author: Copilot

src/Plugin_Command.php

@@ -158,6 +158,8 @@ public function status( $args ) {
 	 *     # List plugins with available updates in JSON format
 	 *     $ wp plugin check-update --format=json
 	 *     [{"name":"akismet","status":"active","version":"4.1.0","update_version":"4.1.1"}]
+	 *
+	 * @subcommand check-update
 	 */
 	public function check_update( $args, $assoc_args ) {
 		// Force WordPress to check for updates.

src/Theme_Command.php

@@ -151,6 +151,8 @@ public function status( $args ) {
 	 *     # List themes with available updates in JSON format
 	 *     $ wp theme check-update --format=json
 	 *     [{"name":"twentytwelve","status":"inactive","version":"2.0","update_version":"2.1"}]
+	 *
+	 * @subcommand check-update
 	 */
 	public function check_update( $args, $assoc_args ) {
 		// Force WordPress to check for updates.