prepare release 1.15.16 and bump tested wordpress version

Author: merlinfuchs

friendly-captcha/friendly-captcha.php

@@ -3,7 +3,7 @@
 /**
  * Plugin Name: Friendly Captcha for WordPress
  * Description: Protect WordPress website forms from spam and abuse with Friendly Captcha, a privacy-first anti-bot solution.
- * Version: 1.15.15
+ * Version: 1.15.16
  * Requires at least: 5.0
  * Requires PHP: 7.3
  * Author: Friendly Captcha GmbH
@@ -19,7 +19,7 @@
 	die;
 }
 
-define('FRIENDLY_CAPTCHA_VERSION', '1.15.15');
+define('FRIENDLY_CAPTCHA_VERSION', '1.15.16');
 define('FRIENDLY_CAPTCHA_FRIENDLY_CHALLENGE_VERSION', '0.9.18');
 define('FRIENDLY_CAPTCHA_FRIENDLY_CAPTCHA_SDK_VERSION', '0.1.10');
 define('FRIENDLY_CAPTCHA_SUPPORTED_LANGUAGES', [

friendly-captcha/readme.txt

@@ -2,9 +2,9 @@
 Contributors: friendlycaptcha
 Tags: captcha, antispam, spam, contact form, recaptcha, friendly-captcha, block spam, anti-spam, comments, elementor
 Requires at least: 5.0
-Tested up to: 6.5
+Tested up to: 6.8
 Requires PHP: 7.3
-Stable tag: 1.15.15
+Stable tag: 1.15.16
 License: GPL v2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html  
 
@@ -96,6 +96,10 @@ However, you may wish to email the authors of plugins you'd like to support Frie
 
 == Changelog ==
 
+= 1.15.16 =
+
+* Verify captcha in WooCommerce reviews
+
 = 1.15.15 =
 
 * Fix loading error in Gravity Forms integration