[release-1.17] Bump CAPI to v1.8.4

[mboersma]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Manual cherry-pick of #5186.

Updates CAPI to v1.8.4.

Which issue(s) this PR fixes:

N/A

Special notes for your reviewer:

• cherry-pick candidate

TODOs:

• squashed commits
• includes documentation
• adds unit tests

Release note:

Bump CAPI to v1.8.4

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.25%. Comparing base (f23fae3) to head (bda8d5a).
Report is 3 commits behind head on release-1.17.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.17    #5190   +/-   ##
=============================================
  Coverage         51.25%   51.25%           
=============================================
  Files               273      273           
  Lines             24651    24651           
=============================================
  Hits              12636    12636           
  Misses            11229    11229           
  Partials            786      786           

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[nojnhuh]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 2b9ab1f47a85979fce16a81bf33d633b94164458

[k8s-ci-robot]

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