docs: update copyright date in NOTICE

[caicancai]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.11%. Comparing base (6c56470) to head (71880e7).
Report is 35 commits behind head on unstable.

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable     #260      +/-   ##
============================================
+ Coverage     43.38%   46.11%   +2.72%     
============================================
  Files            37       44       +7     
  Lines          2971     4038    +1067     
============================================
+ Hits           1289     1862     +573     
- Misses         1544     1982     +438     
- Partials        138      194      +56     

Flag	Coverage Δ
unittests	46.11% <ø> (+2.72%)	⬆️

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