Upgrade to the latest wp-cli/extension-command to get optional fields

.github/workflows/plugin-check-local.yml

@@ -103,6 +103,9 @@ jobs:
         EXCLUDE_DIRS="${EXCLUDE_DIRS//$'\n'/,}"
         ADDITIONAL_ARGS="$CHECKS $EXCLUDE_CHECKS $CATEGORIES $IGNORE_WARNINGS $IGNORE_ERRORS $INCLUDE_EXPERIMENTAL $EXCLUDE_DIRS"
 
+        # Upgrade to the latest wp-cli/extension-command
+        wp-env run cli wp package install [email protected]:wp-cli/extension-command.git
+
         # TODO: Install dependencies first, see https://github.com/wordpress/plugin-check-action/issues/66
         # Get plugin dependencies
         wp-env run cli wp plugin get $PLUGIN_SLUG --field=requires_plugins --format=json