Update RBACs for storageclass and limitrange collection (#1159)

[fanny-jiang]

What does this PR do?

Cherry-pick #1159

Motivation

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Additional Notes

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Minimum Agent Versions

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• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.56%. Comparing base (f113d7a) to head (4166881).

Additional details and impacted files

@@            Coverage Diff             @@
##             v1.6    #1161      +/-   ##
==========================================
+ Coverage   59.54%   59.56%   +0.01%     
==========================================
  Files         174      174              
  Lines       21510    21519       +9     
==========================================
+ Hits        12809    12818       +9     
  Misses       7930     7930              
  Partials      771      771              

Flag	Coverage Δ
unittests	59.56% <100.00%> (+0.01%)	⬆️

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Files	Coverage Δ
controllers/datadogagent/orchestrator.go	84.00% <100.00%> (+0.75%)	⬆️
controllers/datadogagent_controller.go	70.90% <ø> (ø)

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