Fix LabelSelector validation markers for map field

Changed MinItems/MaxItems to MinProperties/MaxProperties for the
MatchLabels field in LabelSelector, as it is a map type, not an array.
This resolves controller-gen CRD generation errors.

Fixes #1678

Author: KillianGolds

api/v1/shared_types.go

@@ -137,7 +137,7 @@ type LabelSelector struct {
 	// The matching logic is an AND operation on all entries.
 	//
 	// +required
-	// +kubebuilder:validation:MinItems=1
-	// +kubebuilder:validation:MaxItems=64
+	// +kubebuilder:validation:MinProperties=1
+	// +kubebuilder:validation:MaxProperties=64
 	MatchLabels map[LabelKey]LabelValue `json:"matchLabels,omitempty"`
 }