chore: add newer WooCommerce stubs

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

composer.json

@@ -7,7 +7,7 @@
 		"phpstan/extension-installer": "^1.3",
 		"szepeviktor/phpstan-wordpress": "^1.3",
 		"phpstan/phpstan-deprecation-rules": "^1.1",
-		"php-stubs/woocommerce-stubs": "^8.3",
+		"php-stubs/woocommerce-stubs": "^8.3 || ^9",
 		"phpstan/phpstan-strict-rules": "^1.5"
 	},
 	"license": "MIT",