add changelog for 2.1.1

Author: Verdict-as-a-Service Team

Readme.txt

@@ -56,6 +56,9 @@ While the released code is hosted on the WordPress svn, we develop the plugin on
 
 == Changelog ==
 
+= 2.1.1 =
+* updates: update illuminate/container to 11.33.2
+
 = 2.1.0 =
 * bugfix: [full scan runs in loop](https://github.com/GDATASoftwareAG/wordpress-gdata-antivirus/issues/37)
 * bugifx: fails on duplicate key when detecting the same file twice