Update sbt-scalafmt to 2.5.5

Author: scala-steward

project/plugins.sbt

@@ -2,6 +2,6 @@ addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings"   % "3.0.2
 addSbtPlugin("com.github.sbt"                    % "sbt-ci-release"     % "1.5.11")
 addSbtPlugin("com.codecommit"                    % "sbt-github-actions" % "0.14.2")
 addSbtPlugin("ch.epfl.scala"                     % "sbt-scalafix"       % "0.10.1")
-addSbtPlugin("org.scalameta"                     % "sbt-scalafmt"       % "2.5.0")
+addSbtPlugin("org.scalameta"                     % "sbt-scalafmt"       % "2.5.5")
 addSbtPlugin("org.scoverage"                     % "sbt-scoverage"      % "2.0.6")
 addSbtPlugin("io.github.davidgregory084"         % "sbt-tpolecat"       % "0.4.1")