Add ipwpwdpolicy objectclass to all policies on upgrade

ipapwdpolicy is the objectclass which defines the libpwquality
attributes. For older sytems it isn't strictly necessary (or
visible) but not having it included will result in policies
not being visible with pwpolicy-find.

https://pagure.io/freeipa/issue/8555

Signed-off-by: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>

install/updates/90-post_upgrade_plugins.update

@@ -25,6 +25,7 @@ plugin: update_upload_cacrt
 plugin: update_ra_cert_store
 plugin: update_mapping_Guests_to_nobody
 plugin: fix_kra_people_entry
+plugin: update_pwpolicy
 
 # last
 # DNS version 1