SCTX-1585: Update allowed operations for upgrade

For forward compatability, the datamodel on the host being upgraded needs to
know about these extra enums.

Fixes-by: John Else <john.else@citrix.com>
Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Merge pull request #1544 from simonjbeaumont/sctx-1585-sanibel

SCTX-1585: Update allowed operations for upgrade