feat: add support for Kubernetes 1.17.4

[mboersma]

Reason for Change:
See https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.17.md#changelog-since-v1173

Issue Fixed:

Requirements:

• artifacts published by Azure Pipelines Kubernetes build
• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[codecov]

Codecov Report

Merging #2899 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2899   +/-   ##
=======================================
  Coverage   72.50%   72.50%           
=======================================
  Files         141      141           
  Lines       25744    25744           
=======================================
  Hits        18666    18666           
  Misses       5998     5998           
  Partials     1080     1080           

Impacted Files	Coverage Δ
pkg/api/common/versions.go	96.55% <ø> (ø)

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[jackfrancis]

/lgtm