chore(crypto): exclude benchmark file from linting

[tomas-zijdemans]

Running deno task lint always gave me an annoying warning, I think it should be OK to exclude it from linting, like we do testdata.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.08%. Comparing base (0aa59e2) to head (46e2edf).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6960      +/-   ##
==========================================
- Coverage   94.08%   94.08%   -0.01%     
==========================================
  Files         600      600              
  Lines       43540    43540              
  Branches     6991     6991              
==========================================
- Hits        40965    40963       -2     
- Misses       2520     2521       +1     
- Partials       55       56       +1     

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