updated "Tested up to"

Author: pfefferle

readme.md

@@ -4,7 +4,7 @@
 **Tags:** indieweb, webmention, POSSE, indieauth  
 **Requires at least:** 4.7  
 **Requires PHP:** 5.6  
-**Tested up to:** 6.1  
+**Tested up to:** 6.2  
 **Stable tag:** 4.0.0  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://indieweb.org/how-to-sponsor
 Tags: indieweb, webmention, POSSE, indieauth
 Requires at least: 4.7
 Requires PHP: 5.6
-Tested up to: 6.1
+Tested up to: 6.2
 Stable tag: 4.0.0
 License: MIT
 License URI: http://opensource.org/licenses/MIT