Use crddoc tool to generate CRD documentation

[mboersma]

What type of PR is this?

/kind failing-test

What this PR does / why we need it:

Fixes a doc generation error by switching from an unmaintained community tool to a more active fork developed by our friends at ASO.

Which issue(s) this PR fixes:

Fixes #5564

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

NONE

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.86%. Comparing base (5ec5ca9) to head (251e114).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5565   +/-   ##
=======================================
  Coverage   52.86%   52.86%           
=======================================
  Files         272      272           
  Lines       29474    29474           
=======================================
  Hits        15582    15582           
  Misses      13080    13080           
  Partials      812      812           

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[mboersma]

I checked to see what ASO is doing, and they're using a maintained fork of the gen-crd-documentation tool. I think that's the way to go, so I'm trying to get it working.

[mboersma]

/retitle Use crddoc tool to generate CRD documentation

[willie-yao]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 4b0c8a37f2d790c737ee3b8a1f0e95ec73ea6499

[nawazkh]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nawazkh, willie-yao

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• OWNERS [nawazkh,willie-yao]

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