Update sbt-scalafmt to 2.6.2

Author: scala-steward

project/plugins.sbt

@@ -2,7 +2,7 @@ addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.1.2")
 addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "1.0.0")
 addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.4.1")
 addSbtPlugin("io.kevinlee" % "sbt-github-pages" % "0.7.0")
-addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.0")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.6.2")
 addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "1.0.0")
 addSbtPlugin("org.scoverage" %% "sbt-scoverage" % "1.6.1")
 addSbtPlugin("org.wartremover" % "sbt-wartremover" % "3.1.0")