Update sbt-scalafmt to 2.5.2

Author: scala-steward

project/plugins.sbt

@@ -10,7 +10,7 @@ libraryDependencies += "org.scala-sbt" %% "scripted-plugin" % sbtVersion.value
 libraryDependencies += "jline" % "jline" % "2.11"
 
 // For code formatting
-addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.2")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 
 // binary compatibility checks
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.9.2")