Update README.txt

Updated change log

Author: s-sexton

README.txt

@@ -4,7 +4,7 @@ Tags: sendthisfile
 Requires at least: 4.7
 Requires PHP: 5.6
 Tested up to: 6.8.2
-Stable tag: 1.0.6
+Stable tag: 1.0.7
 License: GPLv3
 
 A WordPress plugin that allows your visitors to send you files on your pages and posts using a SendThisFile website button.
@@ -46,6 +46,9 @@ You are now ready to use your [sendthisfile] shortcode.
 
 == Changelog ==
 
+= 1.0.7 =
+* Updated tested up to version
+
 = 1.0.6 =
 * Correct version mismatch in main plugin source