[SPEC] Replace VPU naming with NPU

[kbenzie]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 33.33333% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 12.49%. Comparing base (78ef1ca) to head (8310f4d).
Report is 149 commits behind head on main.

Files	Patch %	Lines
include/ur_print.hpp	14.28%	6 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1444      +/-   ##
==========================================
- Coverage   14.82%   12.49%   -2.33%     
==========================================
  Files         250      239      -11     
  Lines       36220    36003     -217     
  Branches     4094     4086       -8     
==========================================
- Hits         5369     4498     -871     
- Misses      30800    31501     +701     
+ Partials       51        4      -47     

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