[release-0.17] fix cli upgrade mgmt kubeconfig flag

[eks-distro-pr-bot]

This is an automated cherry-pick of #6666

/assign ddjjia

[eks-distro-bot]

Hi @eks-distro-pr-bot. Thanks for your PR.

I'm waiting for a aws member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-0.17@a7a6fb4). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@               Coverage Diff               @@
##             release-0.17    #6679   +/-   ##
===============================================
  Coverage                ?   75.50%           
===============================================
  Files                   ?      455           
  Lines                   ?    37875           
  Branches                ?        0           
===============================================
  Hits                    ?    28598           
  Misses                  ?     7671           
  Partials                ?     1606           

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[ddjjia]

/approve

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ddjjia

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