upgrade base image kubepkg-rpm to fedora:39

[pacoxu]

What type of PR is this?

/kind failing-test

What this PR does / why we need it:

follow kubernetes/test-infra#30603

• but fedora only has some new versions. The latest is 39.

Which issue(s) this PR fixes:

xref kubernetes/kubernetes#120591

Special notes for your reviewer:

Does this PR introduce a user-facing change?

None

[saschagrunert]

LGTM, @xmudrii any reason to keep it at Fedora 30?

/hold

[xmudrii]

@saschagrunert This is for (old) kubepkg and I'm not sure if we even use it in any way. We should probably consider deprecating and removing this image (and kubepkg in general).

[xmudrii]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pacoxu, saschagrunert, xmudrii

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• OWNERS [saschagrunert,xmudrii]

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[saschagrunert]

@saschagrunert This is for (old) kubepkg and I'm not sure if we even use it in any way. We should probably consider deprecating and removing this image (and kubepkg in general).

I can take care of that, let's get a note out to k-dev and create a tracking issue for that.

[saschagrunert]

/unhold

[xmudrii]

I can take care of that, let's get a note out to k-dev and create a tracking issue for that.

Sounds good to me!

[saschagrunert]

Ref #3265