chore: rev default etcd version to 3.3.22

[jackfrancis]

Reason for Change:

This PR brings in the latest 3.3 release of etcd as the default. See:

https://github.com/etcd-io/etcd/releases/tag/v3.3.22

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[codecov]

Codecov Report

Merging #3325 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3325   +/-   ##
=======================================
  Coverage   72.01%   72.01%           
=======================================
  Files         147      147           
  Lines       25491    25491           
=======================================
  Hits        18357    18357           
  Misses       5995     5995           
  Partials     1139     1139           

Impacted Files	Coverage Δ
pkg/api/vlabs/validate.go	80.52% <ø> (ø)
pkg/api/common/versions.go	96.55% <0.00%> (ø)

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[mboersma]

/lgtm

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackfrancis, mboersma

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