fix(deps): update dependency copy-webpack-plugin to v12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
copy-webpack-plugin	^11.0.0 -> ^12.0.0

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Release Notes

webpack-contrib/copy-webpack-plugin (copy-webpack-plugin)

v12.0.2

Compare Source

v12.0.1

Compare Source

v12.0.0

Compare Source

⚠ BREAKING CHANGES

• update globby to 14.0.0
• minimum supported Node.js version is 18.12.0 (#​759) (a5b7d06)

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.25%. Comparing base (b7befcf) to head (48d991c).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1540   +/-   ##
=======================================
  Coverage   89.25%   89.25%           
=======================================
  Files         318      318           
  Lines        5563     5563           
  Branches     1379     1379           
=======================================
  Hits         4965     4965           
- Misses        582      583    +1     
+ Partials       16       15    -1     

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[bradenmacdonald]

Tested npm run build, still copying that one .css file just fine with this change.