chore: update prettier to 3.9.2

[MikeMcC399]

• relates to npm 12 - drops npm-shrinkwrap.json #1117

Situation

If npm install && npm test are run under npm 12, Prettier reports a whitespace formatting issue.

Change

Update prettier@3.9.6 and use npm run lint:prettier:fix to make whitespace change in lib/reporter/logger.js.

Checklist

• npm test passes
• contribution guidelines followed
  here

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 96.50%. Comparing base (ff3ea4a) to head (c1f0359).

Files with missing lines	Patch %	Lines
lib/reporter/logger.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1119   +/-   ##
=======================================
  Coverage   96.50%   96.50%           
=======================================
  Files          29       29           
  Lines        2203     2203           
=======================================
  Hits         2126     2126           
  Misses         77       77           

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