fix: version mismatch

Author: abdul-kaioum

readme.txt

@@ -5,7 +5,7 @@ Tags: file manager, wp file manager, wordpress file manager, files, ftp
 Requires at least: 5.0
 Tested up to: 6.9
 Requires PHP: 7.4
-Stable tag: 6.8.9
+Stable tag: 6.8.7
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -306,7 +306,7 @@ Yes, It is possible to edit writeable files in the wordpress directory using cod
 
 == Changelog ==
 
-= 6.8.5 =
+= 6.8.7 =
 - chore: updated elfinder to 2.1.66
 - chore: updated php packages