feat: add enable_relay field to advanced_datapath_observability_config

---
feat: Enable Enterprise Flag to allow configuring Advanced Vuln Insights
PiperOrigin-RevId: 584402755

google/container/v1/cluster_service.proto

@@ -2011,6 +2011,10 @@ message SecurityPostureConfig {
 
     // Applies basic vulnerability scanning on the cluster.
     VULNERABILITY_BASIC = 2;
+
+    // Applies the Security Posture's vulnerability on cluster Enterprise level
+    // features.
+    VULNERABILITY_ENTERPRISE = 3;
   }
 
   // Sets which mode to use for Security Posture features.
@@ -5096,6 +5100,9 @@ message AdvancedDatapathObservabilityConfig {
 
   // Method used to make Relay available
   RelayMode relay_mode = 2;
+
+  // Enable Relay component
+  optional bool enable_relay = 3;
 }
 
 // NodePoolLoggingConfig specifies logging configuration for nodepools.