Updated changelog

Author: rimi-itk

CHANGELOG.md

@@ -11,6 +11,8 @@ before starting to add changes. Use example [placed in the end of the page](#exa
 
 ## [Unreleased]
 
+- [PR-315](https://github.com/OS2Forms/os2forms/pull/315)
+  Added “Display on“ options to Map element
 - [#251](https://github.com/OS2Forms/os2forms/issues/251)
   Webform encrypt uninstall problem fix
 - git actions check