Added v1.2.1 into changelog

Author: vyskocilpavel

CHANGELOG.md

@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
+
+## [v1.2.1]
 [Fixed]
 - Fixed the problem with getting utf8 chars from database
 
@@ -27,6 +29,7 @@ All notable changes to this project will be documented in this file.
 - Changelog
 
 [Unreleased]: https://github.com/CESNET/proxystatistics-simplesamlphp-module/tree/master
+[v1.2.1]: https://github.com/CESNET/proxystatistics-simplesamlphp-module/tree/v1.2.1
 [v1.2.0]: https://github.com/CESNET/proxystatistics-simplesamlphp-module/tree/v1.2.0
 [v1.1.0]: https://github.com/CESNET/proxystatistics-simplesamlphp-module/tree/v1.1.0
 [v1.0.0]: https://github.com/CESNET/proxystatistics-simplesamlphp-module/tree/v1.0.0