Fix location of Kubernetes binaries in cache directory

[webwurst]

No description provided.

[k8s-ci-robot]

Hi @webwurst. Thanks for your PR.

I'm waiting for a kubernetes 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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[minikube-bot]

Can one of the admins verify this patch?

[afbjorklund]

/approve
/ok-to-test

[tstromberg]

Thank you!

[RA489]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afbjorklund, RA489, webwurst

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