Update plugin codename and bump version to 1.8.6

The new codename for this fork used the digit 8, which is not
permissible on Extend.

CHANGELOG.txt

@@ -1,4 +1,8 @@
-2024-01-31: stable release 1.8.5
+2024-02-11: stable release 1.8.6
+
+    * correct the new codename for this fork: digits are invalid
+
+2024-02-11: stable release 1.8.5
 
     * fix various warnings that occur under PHP 8
 

README.rst

@@ -7,7 +7,7 @@ End User Manual
 
 :Author: Andreas Klauer <[email protected]>
 :Fork Maintainers: Omar G <https://omarg.me/> and Laird Shaw <https://creativeandcritical.net/>
-:Version: 1.8.5 of 2024 Feb 11
+:Version: 1.8.6 of 2024 Feb 11
 :Fork Homepage: https://github.com/Sama34/MyBB-Google-SEO
 :Original Homepage: https://github.com/frostschutz/MyBB-Google-SEO
 

inc/plugins/google_seo/plugin.php

@@ -53,10 +53,10 @@ function google_seo_plugin_info()
         "description"   => "{$lang->googleseo_plugin_description}",
         "author"        => "Andreas Klauer",
         "authorsite"    => "mailto:[email protected]",
-        "version"       => "1.8.5",
+        "version"       => "1.8.6",
         "guid"          => "8d12371391e1c95392dd567617e40f7f",
         "compatibility" => "*",
-        "codename"      => "google_seo_updated_for_php8",
+        "codename"      => "google_seo_php_eight_update",
     );
 
     // Provide some additional status information, if the plugin is enabled.