Add deprecation notice for reporting_user role

Author: georgewallace

release-notes/elastic-cloud-serverless/deprecations.md

@@ -9,12 +9,18 @@ Review the deprecated functionality for {{serverless-full}}. While deprecations
 % Description of the deprecation and steps to update implementation.
 % For more information, check [PR #](PR link).
 
+## August 25, 2025 [elastic-cloud-serverless-08252025-deprecations]
+* Change reporting_user role to leverage reserved kibana privileges. For more information, check [#132766](https://github.com/elastic/elasticsearch/pull/132766)
+
 ## June 30, 2025 [elastic-cloud-serverless-06302025-deprecations]
 * Removes Default Quick Prompts from the Security AI Assistant. For more information, check [#225536]({{kib-pull}}225536).
 
 ## June 2, 2025 [elastic-cloud-serverless-06022025-deprecations]
 * Removes the `allowByValueEmbeddables` setting from the Dashboard plugin. For more information, check [#221165]({{kib-pull}}221165). 
 
+## February 24, 2025 [elastic-cloud-serverless-02242025-deprecations]
+* Deprecate Behavioral Analytics CRUD APIs [#122960](https://github.com/elastic/elasticsearch/pull/122960)
+
 ## February 3, 2025 [elastic-cloud-serverless-02032025-deprecations]
 * Renames the `integration-assistant` plugin to `automatic-import`. For more information, check [#207325]({{kib-pull}}207325).
 
@@ -33,4 +39,4 @@ Review the deprecated functionality for {{serverless-full}}. While deprecations
 * Disables scripted field creation in the Data Views management page. For more information, check [#202250]({{kib-pull}}202250). 
 * Removes all logic based on the following settings: `xpack.reporting.roles.enabled`, `xpack.reporting.roles.allow`. For more information, check  [#200834]({{kib-pull}}200834). 
 * Removes the legacy table from Discover. For more information, check [#201254]({{kib-pull}}201254).
-* Deprecates ephemeral tasks from action and alerting plugins. For more information, check [#197421]({{kib-pull}}197421).
+* Deprecates ephemeral tasks from action and alerting plugins. For more information, check [#197421]({{kib-pull}}197421).