fix: building kubectl v1.14.3 fails with missing dependency

[codesuki]

The kubernetes repo expects io_kubernetes_build to be called io_k8s_repo_infra.
If that repository is not available the build will fail with the following error message.
"error loading package '@io_kubernetes//staging/src/k8s.io/apimachinery/pkg/util/sets': Unable to find package for @io_k8s_repo_infra//defs:go.bzl: The repository '@io_k8s_repo_infra' could not be resolved."

Related change:
kubernetes/kubernetes@e216995

Fixes #358

This likely breaks backward compatibility with kubernetes < 1.14
Is there any good way to parse versions in skylark?

[k8s-ci-robot]

Hi @codesuki. Thanks for your PR.

I'm waiting for a bazelbuild 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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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.

[smukherj1]

/ok-to-test

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: codesuki, smukherj1

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