Improve benchmark anchors

[mborland]

No description provided.

[cppalliance-bot]

An automated preview of the documentation is available at https://228.safe-numbers.prtest3.cppalliance.org/libs/safe_numbers/doc/html/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-07-06 20:27:22 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.8%. Comparing base (4a12827) to head (5f339a3).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff           @@
##           develop    #228   +/-   ##
=======================================
  Coverage     98.8%   98.8%           
=======================================
  Files          210     210           
  Lines        15257   15257           
  Branches      5675    5675           
=======================================
  Hits         15063   15063           
  Misses         116     116           
  Partials        78      78           

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