chore: update @std/assert and @std/testing

[github-actions]

📦 @std/assert 1.0.7 → 1.0.8

📦 @std/testing 1.0.4 → 1.0.5

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.63%. Comparing base (2d703bb) to head (912df65).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #23   +/-   ##
=======================================
  Coverage   90.63%   90.63%           
=======================================
  Files           5        5           
  Lines         331      331           
  Branches       29       29           
=======================================
  Hits          300      300           
  Misses         30       30           
  Partials        1        1           

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