chore: update copyright year to 2026

[ldming]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 40.96%. Comparing base (17c3d89) to head (778e8bf).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #647   +/-   ##
=======================================
  Coverage   40.96%   40.96%           
=======================================
  Files         184      184           
  Lines       24652    24652           
=======================================
  Hits        10098    10098           
  Misses      13406    13406           
  Partials     1148     1148           

Flag	Coverage Δ
unittests	40.96% <100.00%> (ø)

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[ldming]

/approve