Fix warnings reported while building container images

[Niharika0306]

What this PR does / why we need it: Fixes the warnings reported while building container images

Which issue this PR fixes(if applicable): fixes #2691

Special notes for reviewers:

Release note:

NONE

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @Niharika0306. 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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[kayrus]

/ok-to-test

[kayrus]

/lgtm /approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kayrus

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