chore(backport release-1.1): docs: manual rolebindings for global namespaces

[akuitybot]

Automated backport to release-1.1, triggered by a label in #2934.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.15%. Comparing base (b564bca) to head (89b6530).
Report is 1 commits behind head on release-1.1.

Additional details and impacted files

@@             Coverage Diff              @@
##           release-1.1    #3127   +/-   ##
============================================
  Coverage        51.15%   51.15%           
============================================
  Files              283      283           
  Lines            25476    25476           
============================================
  Hits             13032    13032           
  Misses           11750    11750           
  Partials           694      694           

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