feat: add EXTENDED enum value for ReleaseChannel.Channel

Google APIs · copybara-github · commit b1a9e6c1b07d · 2024-08-28T08:56:37.000-07:00
PiperOrigin-RevId: 668474656
diff --git a/google/container/v1beta1/cluster_service.proto b/google/container/v1beta1/cluster_service.proto
@@ -5728,6 +5728,10 @@ message ReleaseChannel {
     // Clusters subscribed to STABLE receive versions that are known to be
     // stable and reliable in production.
     STABLE = 3;
+
+    // Clusters subscribed to EXTENDED receive extended support and availability
+    // for versions which are known to be stable and reliable in production.
+    EXTENDED = 4;
   }
 
   // channel specifies which release channel the cluster is subscribed to.
