mgr/volumes: OpSmException.error -> OpSmException.errno
fixes mypy errors:
volumes/fs/async_cloner.py: note: In function "handle_clone_pending":
volumes/fs/async_cloner.py:71: error: "OpSmException" has no attribute "error"; maybe "errno"?
volumes/fs/async_cloner.py: note: In function "handle_clone_in_progress":
volumes/fs/async_cloner.py:139: error: "OpSmException" has no attribute "error"; maybe "errno"?
Fixes: https://tracker.ceph.com/issues/44393
Signed-off-by: Michael Fritch <mfritch@suse.com>
(cherry picked from commit
7fa4da445650fd4a9f799c48ba513cb6f1a0d26c)