Update the WordPress tested up to header

Author: a-danae

readme.txt

@@ -2,7 +2,7 @@
 Contributors: woocommerce, automattic, royho, akeda, mattyza, bor0, woothemes
 Tags: credit card, stripe, apple pay, payment request, google pay, sepa, bancontact, alipay, giropay, ideal, p24, woocommerce, automattic
 Requires at least: 6.2
-Tested up to: 6.5.2
+Tested up to: 6.6
 Requires PHP: 7.4
 Stable tag: 8.5.1
 License: GPLv3

woocommerce-gateway-stripe.php

@@ -8,7 +8,7 @@
  * Version: 8.5.1
  * Requires Plugins: woocommerce
  * Requires at least: 6.2
- * Tested up to: 6.5.5
+ * Tested up to: 6.6
  * WC requires at least: 8.5
  * WC tested up to: 9.1
  * Text Domain: woocommerce-gateway-stripe