fix issue #1782 Resolve load_kube_config TMP file issue

[tobewithyou1996]

What type of PR is this?

/kind bug

What this PR does / why we need it:

setting load_kube_config() temp_file_path , Avoid being deleted in the /tmp directory

Which issue(s) this PR fixes:

Fixes #1782

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[roycaihw]

/assign

[roycaihw]

/lgtm /approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: roycaihw, tobewithyou1996

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