Update sbt-scalafmt to 2.4.2

[scala-steward]

Updates org.scalameta:sbt-scalafmt from 2.4.0 to 2.4.2.
GitHub Release Notes - Version Diff

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!

Ignore future updates

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

updates.ignore = [ { groupId = "org.scalameta", artifactId = "sbt-scalafmt" } ]

labels: sbt-plugin-update, semver-patch

[codecov-commenter]

Codecov Report

Merging #3542 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3542   +/-   ##
=======================================
  Coverage   91.32%   91.32%           
=======================================
  Files         386      386           
  Lines        8592     8592           
  Branches      269      241   -28     
=======================================
  Hits         7847     7847           
  Misses        745      745