User - Filter all the users who have auth tokens

The following example policy will filter and tag the users who have auth tokens

policies:
- name: filter-tag-user-with-auth-tokens
  description: |
    Filter and tag users who have auth tokens
  resource: oci.user
  filters:
   - type: auth-tokens
     key: auth_tokens
     value_type: size
     op: greater-than
     value: 0
  actions:
   - type: update
     freeform_tags:
       TagName : TagValue