[OTAGENT-308] Add RBAC Support for the k8sattributes OTel processor

[krlv]

What does this PR do?

Add RBAC support for the k8sattributes processor in DDOT Collector

Motivation

Enhance RBAC Support for the k8sattributes in the Operator

Additional Notes

TBD

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: v7.65.0
• Cluster Agent: vX.Y.Z

Describe your test plan

TBD

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

Attention: Patch coverage is 92.59259% with 10 lines in your changes missing coverage. Please review.

Project coverage is 52.00%. Comparing base (c523677) to head (a337773).

Files with missing lines	Patch %	Lines
...ller/datadogagent/feature/otelcollector/feature.go	88.63%	6 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1963      +/-   ##
==========================================
+ Coverage   51.85%   52.00%   +0.15%     
==========================================
  Files         327      329       +2     
  Lines       33512    33618     +106     
==========================================
+ Hits        17378    17484     +106     
  Misses      15306    15306              
  Partials      828      828              

Flag	Coverage Δ
unittests	52.00% <92.59%> (+0.15%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...ller/datadogagent/defaults/datadogagent_default.go	91.72% <100.00%> (+0.02%)	⬆️
...roller/datadogagent/feature/otelcollector/const.go	100.00% <100.00%> (ø)
...troller/datadogagent/feature/otelcollector/rbac.go	100.00% <100.00%> (ø)
pkg/testutils/builder.go	92.83% <100.00%> (+0.07%)	⬆️
...ller/datadogagent/feature/otelcollector/feature.go	87.30% <88.63%> (+2.32%)	⬆️

... and 1 file with indirect coverage changes

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