Fix aws iam command (#69820)

Author: deepsm007

core-services/ipi-deprovision/aws.sh

@@ -96,7 +96,7 @@ aws iam list-users --query "Users[?starts_with(UserName, 'ci-op-') && CreateDate
 		aws iam list-access-keys --user-name "$user" --query 'AccessKeyMetadata[].AccessKeyId' --output text | tr '\t' '\n' | while read -r key; do
 			[[ -n "$key" ]] && aws iam delete-access-key --user-name "$user" --access-key-id "$key" || true
 		done
-		aws iam get-groups-for-user --user-name "$user" --query 'Groups[].GroupName' --output text | tr '\t' '\n' | while read -r group; do
+		aws iam list-groups-for-user --user-name "$user" --query 'Groups[].GroupName' --output text | tr '\t' '\n' | while read -r group; do
 			[[ -n "$group" ]] && aws iam remove-user-from-group --user-name "$user" --group-name "$group" || true
 		done
 		aws iam delete-user --user-name "$user" && echo "✓ Deleted: $user"