Note max API version for Rocky
We are now past feature freeze and should not have any more patches that
increment microversions this cycle. Following the convention from past
cycles, this marks the maximum API microversion for the Rocky release.
@@ -438,6 +438,6 @@ volume APIs.
----
Add ``mode`` argument to attachment-create.
-3.55
-----
+3.55 (Maximum in Rocky)
+-----------------------
Support ability to transfer snapshots along with their parent volume.
