update changelog to include #465

CHANGELOG.md

@@ -21,6 +21,7 @@ Releases are recorded as git tags in the [Github releases](https://github.com/le
 - [#420] - Fix randomly missing focus ring
 - [#427] - Update `KDateRange` to use `vue-intl` function `$formatDate` for date formatting and translations
 - [#433] - Add new `props` to `KCircularLoader`:  `minVisibleTime` and `show`
+- [#465] - Add `containFocus` `prop` to `KDropdownMenu`. Add `#option` slot to `KDropdownMenu`. Add `v-bind="$attrs"` to `KIconButton`.
 
 <!-- Referenced PRs -->
 [#425]: https://github.com/learningequality/kolibri-design-system/pull/425
@@ -37,6 +38,7 @@ Releases are recorded as git tags in the [Github releases](https://github.com/le
 [#426]: https://github.com/learningequality/kolibri-design-system/pull/426
 [#427]: https://github.com/learningequality/kolibri-design-system/pull/427
 [#433]: https://github.com/learningequality/kolibri-design-system/pull/433
+[#465]: https://github.com/learningequality/kolibri-design-system/pull/465
 
 ## Version 1.4.x