Update changelog

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

Author: mulkieran

CHANGES.txt

@@ -26,7 +26,11 @@ Lowest supported Python interpreter: 3.9
 - Use more modern Python packaging style:
   https://github.com/stratis-storage/stratis-cli/pull/988
 
+- Refactor enum use:
+  https://github.com/stratis-storage/stratis-cli/pull/1012
+
 - Tidies and Maintenance:
+  https://github.com/stratis-storage/stratis-cli/pull/1013
   https://github.com/stratis-storage/stratis-cli/pull/1011
   https://github.com/stratis-storage/stratis-cli/pull/1010
   https://github.com/stratis-storage/stratis-cli/pull/1008