User - Filter all the users whose DB credentials age greater than 3 months

The following example policy will filter and tag the users who have DB credentials with age greater than 90 days

policies:
- name: filter-tag-user-with-db-credentials-age
  description: |
    Filter and tag users with DB credentials whose age is greater than 3 months
  resource: oci.user
  filters:
   - type: db-credentials
     key: db_credential.time_created
     value_type: age
     op: greater-than
     value: 90
  actions:
   - type: update
     freeform_tags:
        TagName : TagValue