Update sbt-scalafix to 0.9.28

[scala-steward]

Updates ch.epfl.scala:sbt-scalafix from 0.9.27 to 0.9.28.
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.

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Ignore 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" } ]

labels: sbt-plugin-update, semver-patch

[codecov-commenter]

Codecov Report

Merging #128 (324cec4) into develop (5af2410) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #128   +/-   ##
========================================
  Coverage    52.56%   52.56%           
========================================
  Files            5        5           
  Lines           78       78           
========================================
  Hits            41       41           
  Misses          37       37           

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