feat: allow more Prettier customizations

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue:
  • fixes 🐛 Bug: blockPrettier should remove existing .prettierrc file #2118
  • fixes 🚀 Feature: Allow adding run steps before prettier format in CI #2119
  • fixes 🐛 Bug: blockPrettier shouldn't attempt to resolve versions of local file plugins #2120
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Collection of related Prettier touchups that would be time-consuming to split apart.

🎁

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.80%. Comparing base (6462b15) to head (c2f488d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2121   +/-   ##
=======================================
  Coverage   99.80%   99.80%           
=======================================
  Files         127      127           
  Lines        5238     5246    +8     
  Branches      369      371    +2     
=======================================
+ Hits         5228     5236    +8     
  Misses         10       10           

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[github-actions]

🎉 This is included in version v2.24.0 🎉

The release is available on:

• GitHub releases
• npm package (@latest dist-tag)

Cheers! 📦🚀