Fix gocritic rangeValCopy performance issue in PodIPDemandListener

Co-authored-by: rejain456 <[email protected]>

Author: Copilot

cns/ipampool/v2/adapter.go

@@ -34,8 +34,8 @@ func PodIPDemandListener(ch chan<- int) func([]v1.Pod) {
 		// Filter out Pods in terminal phases (Succeeded/Failed) since they no longer
 		// have network sandboxes and don't contribute to IP demand
 		activePods := 0
-		for _, pod := range pods {
-			if pod.Status.Phase != v1.PodSucceeded && pod.Status.Phase != v1.PodFailed {
+		for i := range pods {
+			if pods[i].Status.Phase != v1.PodSucceeded && pods[i].Status.Phase != v1.PodFailed {
 				activePods++
 			}
 		}