[Improvement] Add hostNetwork configuration option for controller

[komer3]

Add a configurable hostNetwork option to the controller deployment, defaulting to false. This allows the controller pod to use the host's network namespace when enabled.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.53%. Comparing base (789e1ee) to head (b67b0d5).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #532   +/-   ##
=======================================
  Coverage   70.53%   70.53%           
=======================================
  Files          24       24           
  Lines        2118     2118           
=======================================
  Hits         1494     1494           
  Misses        496      496           
  Partials      128      128           

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