[Release] - 1.9.15 (#196)

### Problem
The plugin is outdated, new version should be released.

### Solution
Bump version from 1.9.14 to 1.9.15.

Author: beberry

CHANGELOG.md

@@ -1,3 +1,9 @@
+= 1.9.15 =
+
+* Fixed: Clients with invalid credentials no longer attempt creator token
+  refresh, reducing unnecessary `POST /api/oauth2/token` calls that result in
+  401 errors
+
 = 1.9.14 =
 
 * Fixed: Webhook deletion logic no longer gets stuck in a loop when the API

patreon.php

@@ -4,7 +4,7 @@
 Plugin Name: Patreon WordPress
 Plugin URI: https://www.patreon.com/apps/wordpress
 Description: Patron-only content, directly on your website.
-Version: 1.9.14
+Version: 1.9.15
 Author: Patreon <[email protected]>
 Author URI: https://patreon.com
 */
@@ -69,7 +69,7 @@
 define('PATREON_CREATOR_BYPASSES_FILTER_MESSAGE', 'This content is for Patrons only, it\'s not locked for you because you are logged in as the Patreon creator');
 define('PATREON_NO_LOCKING_LEVEL_SET_FOR_THIS_POST', 'Post is already public. If you would like to lock this post, please set a pledge level for it');
 define('PATREON_NO_POST_ID_TO_UNLOCK_POST', 'Sorry - could not get the post id for this locked post');
-define('PATREON_WORDPRESS_VERSION', '1.9.14');
+define('PATREON_WORDPRESS_VERSION', '1.9.15');
 define('PATREON_WORDPRESS_BETA_STRING', '');
 define('PATREON_WORDPRESS_PLUGIN_SLUG', plugin_basename(__FILE__));
 define('PATREON_PRIVACY_POLICY_ADDENDUM', '<h2>Patreon features in this website</h2>In order to enable you to use this website with Patreon services, we save certain functionally important Patreon information about you in this website if you log in with Patreon.

readme.txt

@@ -4,7 +4,7 @@ Tags: patreon, membership, members
 Requires at least: 4.0
 Requires PHP: 7.4
 Tested up to: 6.8.1
-Stable tag: 1.9.14
+Stable tag: 1.9.15
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -79,6 +79,12 @@ It is  difficult to protect videos due the intensive bandwidth requirements of h
 
 == Upgrade Notice ==
 
+= 1.9.15 =
+
+* Fixed: Clients with invalid credentials no longer attempt creator token
+  refresh, reducing unnecessary `POST /api/oauth2/token` calls that result in
+  401 errors
+
 = 1.9.14 =
 
 * Fixed: Webhook deletion logic no longer gets stuck in a loop when the API
@@ -578,9 +584,8 @@ You can report security bugs through the Patchstack Vulnerability Disclosure Pro
 
 == Changelog ==
 
-= 1.9.14 =
+= 1.9.15 =
 
-* Fixed: Webhook deletion logic no longer gets stuck in a loop when the API
-  returns a 404 - such responses are now treated as successful deletions
-* Added: Query parameter to POST api/oauth2/token requests to indicate if the
-  refresh is for a creator access token, for improved API-side debugging
+* Fixed: Clients with invalid credentials no longer attempt creator token
+  refresh, reducing unnecessary `POST /api/oauth2/token` calls that result in
+  401 errors