Update changelog

Signed-off-by: mulhern <amulhern@redhat.com>

Author: mulkieran

CHANGES.txt

@@ -8,6 +8,9 @@ Lowest supported Python interpreter: 3.9
 - Update for r6 D-Bus revision:
   https://github.com/stratis-storage/stratis-cli/pull/981
 
+- Add support for designating filesystem size limits:
+  https://github.com/stratis-storage/stratis-cli/pull/1029
+
 - Adapt to r6 StopPool interface:
   https://github.com/stratis-storage/stratis-cli/pull/982