Deprecate the ClusterResourceSet flag

Author: fabriziopandini

.golangci.yml

@@ -271,6 +271,10 @@ issues:
   - linters:
     - staticcheck
     text: "SA1019: (clusterv1alpha3.*|clusterv1alpha4.*) is deprecated: This type will be removed in one of the next releases."
+  # Specific exclude rules for deprecated feature flags
+  - linters:
+      - staticcheck
+    text: "SA1019: feature.ClusterResourceSet is deprecated: ClusterResourceSet feature is now GA and the corresponding feature flag will be removed in 1.12 release."
   - linters:
     - revive
     text: "exported: exported method .*\\.(Reconcile|SetupWithManager|SetupWebhookWithManager) should have comment or be unexported"

feature/feature.go

@@ -40,6 +40,8 @@ const (
 	// alpha: v0.3
 	// beta: v0.4
 	// GA: v1.10
+	//
+	// Deprecated: ClusterResourceSet feature is now GA and the corresponding feature flag will be removed in 1.12 release.
 	ClusterResourceSet featuregate.Feature = "ClusterResourceSet"
 
 	// ClusterTopology is a feature gate for the ClusterClass and managed topologies functionality.