Update sbt-scalafmt to 2.5.4 (#982)

Co-authored-by: gvolpe-steward[bot] <gvolpe-steward[bot]@users.noreply.github.com>
Co-authored-by: Yisrael Union <[email protected]>

Author: 3 people

project/plugins.sbt

@@ -4,7 +4,7 @@ addSbtPlugin("com.typesafe"      % "sbt-mima-plugin" % "1.1.4")
 addSbtPlugin("com.github.sbt"    % "sbt-ci-release"  % "1.9.2")
 addSbtPlugin("org.typelevel"     % "sbt-tpolecat"    % "0.5.2")
 addSbtPlugin("de.heikoseeberger" % "sbt-header"      % "5.10.0")
-addSbtPlugin("org.scalameta"     % "sbt-scalafmt"    % "2.5.2")
+addSbtPlugin("org.scalameta"     % "sbt-scalafmt"    % "2.5.4")
 addSbtPlugin("com.47deg"         % "sbt-microsites"  % "1.4.4")
 addSbtPlugin("org.scalameta"     % "sbt-mdoc"        % "2.6.2")
 addSbtPlugin("com.github.sbt"    % "sbt-site"        % "1.7.0")