[release-1.12] Update docs summary

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #4288

/assign willie-yao

NONE

[nojnhuh]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 4092ee54f828bb9a7aab90192a28c57bd69161b4

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nojnhuh

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f4d089f) 59.75% compared to head (21d50b9) 59.75%.
Report is 1 commits behind head on release-1.12.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.12    #4378   +/-   ##
=============================================
  Coverage         59.75%   59.75%           
=============================================
  Files               192      192           
  Lines             19311    19311           
=============================================
  Hits              11539    11539           
  Misses             7142     7142           
  Partials            630      630           

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