update to Go 1.24.11, update actions

[xrstf]

Summary

Go 1.24.11 was just released, this updates our configs accordingly. Since the download URL for Go changed, we also at least have to update the setup-go action to 6.1.0+.

What Type of PR Is This?

/kind chore

Release Notes

Update to Go 1.24.11.

[kcp-ci-bot]

@xrstf: The label(s) kind/chore cannot be applied, because the repository doesn't have them.

In response to this:

Summary

Go 1.24.11 was just released, this updates our configs accordingly. Since the download URL for Go changed, we also at least have to update the setup-go action to 6.1.0+.

What Type of PR Is This?

/kind chore

Release Notes

Update to Go 1.24.11.

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[xrstf]

/kind cleanup

[xmudrii]

/lgtm
/approve

[kcp-ci-bot]

LGTM label has been added.

Git tree hash: 8eee378cf718fe59a462dc97bc11844eacb30b7d

[xrstf]

/approve

[kcp-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: xmudrii, xrstf

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