Update sbt-scalafix to 0.12.1

Author: scala-steward

project/plugins.sbt

@@ -7,6 +7,6 @@ addSbtPlugin("org.scoverage"      % "sbt-scoverage"             % "2.0.11")
 addSbtPlugin("ch.epfl.scala"      % "sbt-bloop"                 % "1.5.17")
 addSbtPlugin("com.github.sbt"     % "sbt-ci-release"            % "1.5.12")
 addSbtPlugin("com.github.cb372"   % "sbt-explicit-dependencies" % "0.3.1")
-addSbtPlugin("ch.epfl.scala"      % "sbt-scalafix"              % "0.12.0")
+addSbtPlugin("ch.epfl.scala"      % "sbt-scalafix"              % "0.12.1")
 addSbtPlugin("org.typelevel"      % "sbt-tpolecat"              % "0.5.1")
 addSbtPlugin("dev.zio"            % "zio-sbt-website"           % "0.3.10")