docs: Update the comment for duration value unrefreshed_duration_until_disable to accurately reflect the system-defined duration (#33875)

* docs: Update the comment for duration value `unrefreshed_duration_until_disable` to accurately reflect the system-defined duration

PiperOrigin-RevId: 900186052

Source-Link: googleapis/googleapis@bcfcbda

Source-Link: googleapis/googleapis-gen@882181e
Copy-Tag: eyJwIjoiZ29vZ2xlLWNsb3VkLWttcy12MS8uT3dsQm90LnlhbWwiLCJoIjoiODgyMTgxZWY1ZmU3NDBjYzFmOTZmMzY5MzNiODc4NDZkZTU3ZWJjMiJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

google-cloud-kms-v1/proto_docs/google/cloud/kms/v1/hsm_management.rb

@@ -55,7 +55,7 @@ module V1
         #   @return [::Google::Protobuf::Duration]
         #     Output only. The system-defined duration that an instance can remain
         #     unrefreshed until it is automatically disabled. This will have a value of
-        #     120 days.
+        #     730 days.
         # @!attribute [r] disable_time
         #   @return [::Google::Protobuf::Timestamp]
         #     Output only. The time at which the instance will be automatically disabled