KUSANAGI 9 update 9.1.0-1.el8

KUSANAGI 9 update 9.1.0-1.el8

KUSANAGI 9 update has been released.

- KUSANAGI plugin has been updated.
- Added support for KUSANAGI upgrade command.

The module update can be applied with the following command:

# dnf update -y

After module update, please update KUSANAGI plugin of the profile with the follwing command:

# kusanagi update plugin PROFILE

For upgrading KUSANAGI, see here.