🐛 Fix bug ma solo per PHP 8.1+

Author: HighLiuk

composer.json

@@ -6,7 +6,7 @@
     "license": "MIT",
     "homepage": "https://github.com/Idearia/wp-cli-command",
     "require": {
-        "php": "^7.4|^8.0"
+        "php": "^8.1"
     },
     "require-dev": {
         "php-stubs/wp-cli-stubs": "^2.7",

composer.lock

@@ -107,7 +107,7 @@ public static function invoke_multisite( array $args, array $assoc_args )
 
         // If the --all-sites flag is set then run the handler on all sites.
         if ( $all_sites_flag ) {
-            Utils::run_on_all_sites( [ static::class, 'invoke' ], $args, $assoc_args, static::$site_query );
+            Utils::run_on_all_sites( static::invoke(...), $args, $assoc_args, static::$site_query );
         } else {
             // Run the handler on the current site.
             static::invoke( $args, $assoc_args );