fix: copy compiled binary into final image

[alexander-ding]

What type of PR is this?

/kind bug

What does the PR do?

The Debug Dockerfile doesn't copy the built binary into the final image. Adding a single line to fix

NONE

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: alexander-ding / name: Alexander Ding (6b3a009)

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[k8s-ci-robot]

Hi @alexander-ding. Thanks for your PR.

I'm waiting for a kubernetes-sigs 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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[mauriciopoppe]

/ok-to-test

Please change the release note to NONE, otherwise it's going to be part of the public release notes, this is a dev only file

[mauriciopoppe]

/lgtm
/assign @mattcary

[mauriciopoppe]

ping @mattcary, a tiny change in the debug image

[mattcary]

Whoops! This got buried, sorry.

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexander-ding, mattcary

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