Merge pull request #1267 from scala-steward/update/sbt-scalafmt-2.5.4

Update sbt-scalafmt from 2.5.3 to 2.5.4

Author: mergify[bot]

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("org.typelevel" % "sbt-tpolecat" % "0.5.2")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.11.1")
-addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.3")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.4")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.5.10")
 addSbtPlugin("com.47deg" % "sbt-microsites" % "1.3.4")
 addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.5.0")