Add changelog for 289
This MR was automatically created from CI, https://gitlab.com/gitlab-org/gitter/gitter-android-app/-/jobs/142479084
We copied CURRENT_VERSION.txt
-> 289.txt
This MR was automatically created from CI, https://gitlab.com/gitlab-org/gitter/gitter-android-app/-/jobs/142479084
We copied CURRENT_VERSION.txt
-> 289.txt