Bucket - Filter the buckets whose age is greater than 100 days

The following example policy will filter all the buckets whose age is greater than 100 days and tag them with the specified value

policies:
- name: set-tag-on-bucket
  description: |
    Filter the buckets based on the age and tag them
  resource: oci.bucket
  filters:
   - type: value
     key: time_created
     value_type: age
     op: gt
     value: 100
  actions:
   - type: update
     freeform_tags:
        'cloud_custodian': 'true'