Update sbt-scalafmt to 2.5.4 (#446)

Author: scala-steward

project/Dependencies.scala

@@ -11,7 +11,7 @@ object Dependencies {
     val sbtDynver = "5.1.0"
     val sbtMissinglink = "0.3.6"
     val sbtRewarn = "0.1.3"
-    val sbtScalafmt = "2.5.2"
+    val sbtScalafmt = "2.5.4"
     val sbtScalafix = "0.13.0"
     val sbtTpolecat = "0.5.2"
     val sbtVersionPolicy = "3.2.1"

project/plugins.sbt

@@ -5,7 +5,7 @@ val Dependencies = new {
     val sbtCiRelease = "1.8.0"
     val sbtMissinglink = "0.3.6"
     val sbtRewarn = "0.1.3"
-    val sbtScalafmt = "2.5.2"
+    val sbtScalafmt = "2.5.4"
     val sbtScalafix = "0.13.0"
     val sbtTpolecat = "0.5.2"
     val sbtVersionPolicy = "3.2.1"