Follow-up: Deprecation updates (#456)

* Update maintenance.adoc

* Update modules/manage/pages/maintenance.adoc

Author: Feediver1

modules/manage/pages/maintenance.adoc

@@ -115,6 +115,17 @@ See also: link:/api/doc/cloud-controlplane/topic/topic-deprecation-policy[Cloud
 |===
 | Deprecated in | Feature | Details
 
+| November 2025 | Subset of TLS v1.2 cipher suites a| The following TLSv1.2 cipher suites will no longer be used for managed services such as Schema Registry, HTTP Proxy, and Kafka API:
+
+- AES128-GCM-SHA256
+- AES256-GCM-SHA384
+- ECDHE-RSA-AES128-SHA
+- AES128-SHA
+- AES128-CCM
+- ECDHE-RSA-AES256-SHA
+- AES256-SHA
+- AES256-CCM
+
 | May 2025 | Cloud API beta versions a| The Cloud Control Plane API versions v1beta1 and v1beta2, and Data Plane API versions v1alpha1 and v1alpha2 are deprecated. These Cloud API versions will be removed in a future release and are not recommended for use. 
 
 The deprecation timeline is: 
@@ -137,4 +148,4 @@ To check the version of your Private Service Connect attachment, run:
 `gcloud compute service-attachments list --filter="region:( ${GCP_REGION} )"`
 
 The attachment name should show the suffix `psc2`; for example, `projects/my-gcp-project/regions/us-west1/serviceAttachments/rp-d0f0mqk5ktzznib2j9g-psc2`. If the name shows the suffix `psc`, then you have the deprecated version. To upgrade, contact https://support.redpanda.com/hc/en-us/requests/new[Redpanda Support^].
-|===
+|===