kube-cross: Update to go1.14.1

[justaugustus]

What type of PR is this?

/kind feature
/area dependency

What this PR does / why we need it:

go1.14.1 has been released. Here we update kube-cross appropriately.

build-image approvers:
/assign @BenTheElder @liggitt @cblecker @dims @listx

ref: kubernetes/kubernetes#88638, #1134

Does this PR introduce a user-facing change?

kube-cross: Update to go1.14.1

[k8s-ci-robot]

@justaugustus: Adding label: do-not-merge/blocked-paths because PR changes a protected file.

Reasons for blocking this PR:

[Changes to certain release tools can affect our ability to test, build, and release Kubernetes. This PR must be explicitly approved by SIG Release repo admins.]

• images/build/cross/Dockerfile

• images/build/cross/VERSION

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[liggitt]

/lgtm

what's with the blocked paths?

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: justaugustus, liggitt

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• images/build/OWNERS [justaugustus]

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[justaugustus]

@liggitt -- build in images/build/cross matches the blockade that was added to this repo due to the CI/shellcheck failures from v1.12.10, detailed in #816.

I'm planning to tie off any threads in that issue and fix up the blockade for 1.19.