Update CHANGELOG.md for 13.4.1

[ci skip]

CHANGELOG.md

@@ -2,6 +2,22 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 13.4.1 (2020-09-24)
+
+### Fixed (2 changes)
+
+- Revert required encryption on CI runner tokens. !42623
+- Allow Unleash clients to request feature flags when repository is private. !43059
+
+### Added (1 change)
+
+- Add missing fontawesome file icon classes. !43091
+
+### Other (1 change)
+
+- Notifications icon: Render empty string for custom setting. !42848
+
+
 ## 13.4.0 (2020-09-22)
 
 ### Security (2 changes, 1 of them is from the community)

changelogs/unreleased/254224-notification-icons-missing-icon-for-custom.yml

----
-title: 'Notifications icon: Render empty string for custom setting'
-merge_request: 42848
-author:
-type: other

changelogs/unreleased/254946-add-missing-fa-icons-for-file_type_icon_class.yml

----
-title: Add missing fontawesome file icon classes
-merge_request: 43091
-author:
-type: added

changelogs/unreleased/revert-a6875e5f.yml

----
-title: Revert required encryption on CI runner tokens
-merge_request: 42623
-author:
-type: fixed

changelogs/unreleased/unleash-api-with-private-repo.yml

----
-title: Allow Unleash clients to request feature flags when repository is private
-merge_request: 43059
-author:
-type: fixed