Actually update tested version

cameronjonesweb · cameronjonesweb · commit 044f7ed05194 · 2023-08-27T20:24:15.000+01:00
diff --git a/readme.md b/readme.md
@@ -8,7 +8,7 @@ Donate link: https://www.patreon.com/cameronjonesweb
 
 Requires at least: 4.6
 
-Tested up to: 6.1
+Tested up to: 6.3
 
 Requires PHP: 5.3
 
