[Improvement][Worker] Add new load balance strategy for worker autoscaler on K8S

[EricGao888]

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• I had searched in the issues and found no similar feature requirement.

Description

• Add new load balance strategy for worker autoscaler on K8S.

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

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This issue has been automatically marked as stale because it has not had recent activity for 30 days. It will be closed in next 7 days if no further activity occurs.

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This issue has been closed because it has not received response for too long time. You could reopen it if you encountered similar problems in the future.