[Fix] CCE: Fix CCE Nodepool Update

[muneeb-jan]

Summary of the Pull Request

Fixes change in nodepool update function.

PR Checklist

• Refers to: [CCE] Request for New Features: Enhancements for Cloud Container Engine (CCE) Management  #2726
• Tests added/passed.
• Release notes added.

Acceptance Steps Performed

=== RUN   TestAccCCENodePoolsV3_basic
=== PAUSE TestAccCCENodePoolsV3_basic
=== CONT  TestAccCCENodePoolsV3_basic
    resource_opentelekomcloud_cce_node_pool_v3_test.go:45: Cluster is required by the test. 1 test(s) are using cluster.
    cluster.go:121: starting creating shared cluster
2024/11/22 15:03:14 [DEBUG] Waiting for state to become: [Available]
2024/11/22 15:03:20 [TRACE] Waiting 3s before next try
2024/11/22 15:03:23 [TRACE] Waiting 6s before next try
2024/11/22 15:03:29 [TRACE] Waiting 10s before next try
...
2024/11/22 15:08:05 [TRACE] Waiting 10s before next try
2024/11/22 15:08:15 [TRACE] Waiting 10s before next try
    cluster.go:117: Cluster usage is 0 now, ready to delete the cluster
    cluster.go:80: starting deleting shared cluster
--- PASS: TestAccCCENodePoolsV3_basic (844.05s)
PASS

[otc-zuul]

Build succeeded.
https://zuul.otc-service.com/t/eco/buildset/c3e2d2d212e2417785ae7d29caaa46be

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✔️ otc-golangci-lint SUCCESS in 3m 04s
✔️ golang-make-test SUCCESS in 3m 35s
✔️ golang-make-vet SUCCESS in 2m 55s
✔️ tflint SUCCESS in 1m 49s
✔️ goreleaser-build SUCCESS in 7m 15s