Update nginx image and Go to 1.13.4

[aledbf]

What this PR does / why we need it:

Updates:

• NGINX image to quay.io/kubernetes-ingress-controller/nginx-amd64:d523b4a96eec80324ee04afed74bf8bddcba09cf
• Go to 1.13.4
• Kind to 0.6.0
• Kubectl to v1.16.3

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

Special notes for your reviewer:

[aledbf]

/hold

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

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• OWNERS [aledbf]

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[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@d523b4a). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #4785   +/-   ##
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  Coverage          ?   58.54%           
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  Files             ?       88           
  Lines             ?     6702           
  Branches          ?        0           
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  Hits              ?     3924           
  Misses            ?     2352           
  Partials          ?      426

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