improve the nodeclaim sorting algorithm using heap

[jxs1211]

perf

Description
improve the nodeclaim sorting according to the todo comment

How was this change tested?
implementation with test case

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[linux-foundation-easycla]

• ✅login: jxs1211 / (998a3fe)

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: jxs1211
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[k8s-ci-robot]

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[k8s-ci-robot]

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[coveralls]

Pull Request Test Coverage Report for Build 12022204027

Details

• 18 of 21 (85.71%) changed or added relevant lines in 2 files are covered.
• 5 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.02%) to 81.063%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/controllers/provisioning/scheduling/heap.go	14	17	82.35%

Files with Coverage Reduction	New Missed Lines	%
pkg/utils/termination/termination.go	2	92.31%
pkg/controllers/provisioning/scheduling/nodeclaim.go	3	85.64%

Totals
Change from base Build 11994809568:	0.02%
Covered Lines:	8861
Relevant Lines:	10931

---

💛 - Coveralls