chore: Update app K8s dependencies

[bryantbiggs]

What this PR does / why we need it:

• Updates application's K8s dependencies
• Closes #627
• Resolves #635
• Relates #611

This is part of splitting out changes from #684 in smaller increments. make test passes successfully locally on this change set

...
--- PASS: TestGetIdentityFromSTSResponse (0.00s)
    --- PASS: TestGetIdentityFromSTSResponse/Root_User (0.00s)
    --- PASS: TestGetIdentityFromSTSResponse/User (0.00s)
    --- PASS: TestGetIdentityFromSTSResponse/Role (0.00s)
    --- PASS: TestGetIdentityFromSTSResponse/Federated_User (0.00s)
PASS
coverage: 75.7% of statements
ok  	sigs.k8s.io/aws-iam-authenticator/pkg/token	1.442s	coverage: 75.7% of statements
go tool cover -html=coverage.out -o coverage.html

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): Fixes #

[k8s-ci-robot]

Hi @bryantbiggs. 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.

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.

[jyotimahapatra]

/ok-to-test

[jyotimahapatra]

/lgtm

[bryantbiggs]

/retest

[bryantbiggs]

/retest

[bryantbiggs]

struggling to figure out this ginkgo error:

 Unknown Decorator
var _ = Describe("[apiserver] the apiserver", framework.WithDisruptive(), func() {
/home/prow/go/src/github.com/kubernetes-sigs/aws-iam-authenticator/tests/e2e/apiserver_test.go:44
  [Container] node was passed an unknown decorator:
  'framework.label{parts:[]string{"Disruptive"}, extra:""}'
  Learn more at: http://onsi.github.io/ginkgo/#node-decorators-overview

Which was previously:

ERROR: E2E suite initialization was faulty, these errors must be fixed:
ERROR: apiserver_test.go:44: [Disruptive] in plain text is deprecated and must be added through WithDisruptive instead

[bryantbiggs]

cc @jyotimahapatra if you get a moment to re-review, thank you!

[bryantbiggs]

@jyotimahapatra / @nnmin-aws let me know if there are any other comments or feedback that I can help address, thank you!

[nnmin-aws]

/lgtm

[nnmin-aws]

/lgtm

[nnmin-aws]

/lgtm

[wongma7]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bryantbiggs, wongma7

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