Update sbt-scalafmt to 2.5.4

Author: lunatech-scala-steward[bot]

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("com.github.sbt" % "sbt-native-packager" % "1.11.0")
 addSbtPlugin("org.scoverage"  % "sbt-scoverage"       % "2.3.0")
-addSbtPlugin("org.scalameta"  % "sbt-scalafmt"        % "2.5.3")
+addSbtPlugin("org.scalameta"  % "sbt-scalafmt"        % "2.5.4")
 
 ThisBuild / libraryDependencySchemes ++= Seq(
   "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always