feat: added configuration for the StatefulHA addon to the AddonsConfig

PiperOrigin-RevId: 604687474

google/container/v1/cluster_service.proto

@@ -1223,6 +1223,10 @@ message AddonsConfig {
 
   // Configuration for the Cloud Storage Fuse CSI driver.
   GcsFuseCsiDriverConfig gcs_fuse_csi_driver_config = 17;
+
+  // Optional. Configuration for the StatefulHA add-on.
+  StatefulHAConfig stateful_ha_config = 18
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Configuration options for the HTTP (L7) load balancing controller addon,
@@ -1365,6 +1369,12 @@ message GkeBackupAgentConfig {
   bool enabled = 1;
 }
 
+// Configuration for the Stateful HA add-on.
+message StatefulHAConfig {
+  // Whether the Stateful HA add-on is enabled for this cluster.
+  bool enabled = 1;
+}
+
 // Configuration options for the master authorized networks feature. Enabled
 // master authorized networks will disallow all external traffic to access
 // Kubernetes master through HTTPS except traffic from the given CIDR blocks,