Update sbt-scalafix to 0.12.1

[scala-steward]

About this PR

📦 Updates ch.epfl.scala:sbt-scalafix from 0.11.1 to 0.12.1

📜 GitHub Release Notes - Version Diff

Usage

✅ Please merge!

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

If you'd like to skip this version, you can just close this PR. If you have any feedback, just mention me in the comments below.

Configure Scala Steward for your repository with a .scala-steward.conf file.

Have a fantastic day writing Scala!

⚙ Adjust future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "ch.epfl.scala", artifactId = "sbt-scalafix" } ]

Or, add this to slow down future updates of this dependency:

dependencyOverrides = [{
  pullRequests = { frequency = "30 days" },
  dependency = { groupId = "ch.epfl.scala", artifactId = "sbt-scalafix" }
}]

^{labels: sbt-plugin-update, early-semver-major, semver-spec-minor, commit-count:1}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.77%. Comparing base (c8aae90) to head (fe8f1fb).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #574      +/-   ##
==========================================
- Coverage   95.63%   93.77%   -1.86%     
==========================================
  Files          29       29              
  Lines        1190     1189       -1     
  Branches       66       86      +20     
==========================================
- Hits         1138     1115      -23     
- Misses         52       74      +22     

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