updating header for 2026

[ksbeattie]

Fixes

The copyright year in the headers of all the .py files

Summary/Motivation:

They should have the correct year

Changes proposed in this PR:

• I think every .py file

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.36%. Comparing base (983b850) to head (41805bc).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1714      +/-   ##
==========================================
- Coverage   77.38%   77.36%   -0.02%     
==========================================
  Files         394      394              
  Lines       64979    64979              
  Branches    10947    10947              
==========================================
- Hits        50281    50273       -8     
- Misses      12193    12197       +4     
- Partials     2505     2509       +4     

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