Bump tested up to version to 6.9

Author: phpbits

readme.txt

@@ -1,7 +1,7 @@
 === Distributor ===
 Contributors:      10up
 Tags:              content, distribution, syndication, management
-Tested up to:      6.8
+Tested up to:      6.9
 Stable tag:        2.2.0
 License:           GPLv2 or later
 License URI:       http://www.gnu.org/licenses/gpl-2.0.html