Add column public_network_access and data_access_auth_mode to table azure_compute_disk. Closes #843

[Priyanka-Chatterjee-2000]

Compliance queries dependent on these columns:

Needed for cis_v300 section 8.5 and 8.6

> select name, public_network_access, data_access_auth_mode from azure_compute_disk
+-----------------+-----------------------+-----------------------+
| name            | public_network_access | data_access_auth_mode |
+-----------------+-----------------------+-----------------------+
| disk-123        | Disabled              | AzureActiveDirectory  |
| turbottest76149 | Enabled               |                       |
+-----------------+-----------------------+-----------------------+

select
      disk.id as resource,
      case
        when network_access_policy in ('DenyAll','AllowPrivate') and public_network_access = 'Disabled' then 'ok'
        else 'alarm'
      end as status,
      case
        when network_access_policy in ('DenyAll','AllowPrivate') and public_network_access = 'Disabled' then disk.name || ' network access disabled.'
        else disk.name || ' network access enabled.'
      end as reason
    from
      azure_compute_disk disk,
      azure_subscription sub
    where
      sub.subscription_id = disk.subscription_id;
+-------------------------------------------------------------------------------------------------------------------+--------+--------------------------->
| resource                                                                                                          | status | reason                    >
+-------------------------------------------------------------------------------------------------------------------+--------+--------------------------->
| /subscriptions/ddddddddddddddddddddddddddddd/resourceGroups/DEMO/providers/Microsoft.Compute/disks/test-pc | ok     | test-pc network access dis>
+-------------------------------------------------------------------------------------------------------------------+--------+--------------------------->


select
      disk.id as resource,
      case
        when data_access_auth_mode = 'AzureActiveDirectory' then 'ok'
        else 'alarm'
      end as status,
      case
        when data_access_auth_mode = 'AzureActiveDirectory' then disk.name || ' data authentication mode enabled.'
        else disk.name || ' data authentication mode disabled.'
      end as reason
    from
      azure_compute_disk disk,
      azure_subscription sub
    where
      sub.subscription_id = disk.subscription_id;
+-------------------------------------------------------------------------------------------------------------------+--------+--------------------------->
| resource                                                                                                          | status | reason                    >
+-------------------------------------------------------------------------------------------------------------------+--------+--------------------------->
| /subscriptions/ddddddddddddddddddddddddddddd/resourceGroups/DEMO/providers/Microsoft.Compute/disks/test-pc | ok     | test-pc data authenticatio>
+-------------------------------------------------------------------------------------------------------------------+--------+--------------------------->

select id,name,network_access_policy,data_access_auth_mode from azure_compute_disk
+--------------------------------------------------------------------------------------------------------------------+----------+-----------------------+-----------------------+
| id                                                                                                                 | name     | network_access_policy | data_access_auth_mode |
+--------------------------------------------------------------------------------------------------------------------+----------+-----------------------+-----------------------+
| /subscriptions/ddddddddddddddddddddddddddddd/resourceGroups/DEMO/providers/Microsoft.Compute/disks/disk-123 | disk-123 | DenyAll               | AzureActiveDirectory  |
+--------------------------------------------------------------------------------------------------------------------+----------+-----------------------+-----------------------+

[misraved]

@Priyanka-Chatterjee-2000 could you please add a query where the newly added columns are populated with data?