feat: vulnerability scanning exposed to public

GKE Security Posture launches public preview, exposes relevant features in cluster to public.

PiperOrigin-RevId: 479682645

google/container/v1beta1/cluster_service.proto

@@ -1912,9 +1912,24 @@ message WorkloadConfig {
 // ProtectConfig defines the flags needed to enable/disable features for the
 // Protect API.
 message ProtectConfig {
+  // WorkloadVulnerabilityMode defines mode to perform vulnerability scanning.
+  enum WorkloadVulnerabilityMode {
+    // Default value not specified.
+    WORKLOAD_VULNERABILITY_MODE_UNSPECIFIED = 0;
+
+    // Disables Workload Vulnerability Scanning feature on the cluster.
+    DISABLED = 1;
+
+    // Applies basic vulnerability scanning settings for cluster workloads.
+    BASIC = 2;
+  }
+
   // WorkloadConfig defines which actions are enabled for a cluster's workload
   // configurations.
   optional WorkloadConfig workload_config = 1;
+
+  // Sets which mode to use for Protect workload vulnerability scanning feature.
+  optional WorkloadVulnerabilityMode workload_vulnerability_mode = 2;
 }
 
 // Subset of Nodepool message that has defaults.