[stable/nginx-ingress] Update to 0.16.2

[jpds]

What this PR does / why we need it: Updates nginx-ingress to 0.16.2.

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @jpds. Thanks for your PR.

I'm waiting for a kubernetes 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.

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[jpds]

@jackzampolin @mgoodness @chancez

[jpds]

Replaced by #6745.