Update CHANGELOG.md for 9.0.11

[ci skip]

CHANGELOG.md

@@ -840,6 +840,12 @@ entry.
 - Only send chat notifications for the default branch.
 - Don't fill in the default kubernetes namespace.
+## 9.0.11 (2017-07-19)
+
+- Renders 404 if given project is not readable by the user on Todos dashboard.
+- Fix incorrect project authorizations.
+- Remove uploads/appearance symlink. A leftover from a previous migration.
+
 ## 9.0.10 (2017-06-07)
 - No changes.