Update changelog

Author: whipps

CHANGES.txt

@@ -1,3 +1,9 @@
+2.12.0 (2024-12-06)
+- Add parameters to the subscriptions list command: --created, --start-time,
+  --end-time, --updated, --hosting, --name, --name-contains, and --sort-by.
+- Add parameters to the orders list command: --source-type, --name,
+  --name-contains, --created-on, --last-modified, --hosting, and --sort-by.
+
 2.11.0 (2024-10-21)
 
 Added: