Bump golang from 1.20.3 to 1.20.4

[dependabot]

Bumps golang from 1.20.3 to 1.20.4.

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[k8s-ci-robot]

Hi @dependabot[bot]. 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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[mkumatag]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dependabot[bot], mkumatag

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[mkumatag]

/lgtm

[mkumatag]

/cherrypick release-0.5

[k8s-infra-cherrypick-robot]

@mkumatag: #1217 failed to apply on top of branch "release-0.5":

Applying: Bump golang from 1.20.3 to 1.20.4
Using index info to reconstruct a base tree...
M	Dockerfile
Falling back to patching base and 3-way merge...
Auto-merging Dockerfile
CONFLICT (content): Merge conflict in Dockerfile
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Bump golang from 1.20.3 to 1.20.4
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-0.5

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