Update CODEOWNERS to reflect approver changes

[nev21]

No description provided.

[Copilot]

Pull request overview

Updates repository-wide ownership configuration so CODEOWNERS reflects the current approver groups for @nevware21/ts-utils.

Changes:

• Renamed the header comment to refer to CODEOWNERS rather than “approvers”.
• Split the single * CODEOWNERS rule into two separate * rules (one per team).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.89%. Comparing base (3d9cb46) to head (cf6ccb5).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #505   +/-   ##
=======================================
  Coverage   98.89%   98.89%           
=======================================
  Files         108      108           
  Lines        2981     2981           
  Branches      622      645   +23     
=======================================
  Hits         2948     2948           
  Misses         33       33           

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