Added v3.8.0 into CHANGELOG.md

Author: vyskocilpavel

CHANGELOG.md

@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
+
+## [v3.8.0]
 #### Changed
 - Releasing forwardedEduPersonEntitlement is now optional (forwardedEduPersonEntitlement are released by default)
 
@@ -284,6 +286,7 @@ when storing one Perun attribute to more SAML attribute
 ## [v1.0.0]
 
 [Unreleased]: https://github.com/CESNET/perun-simplesamlphp-module/tree/master
+[v3.8.0]: https://github.com/CESNET/perun-simplesamlphp-module/tree/v3.8.0
 [v3.7.4]: https://github.com/CESNET/perun-simplesamlphp-module/tree/v3.7.4
 [v3.7.3]: https://github.com/CESNET/perun-simplesamlphp-module/tree/v3.7.3
 [v3.7.2]: https://github.com/CESNET/perun-simplesamlphp-module/tree/v3.7.2