Update sbt-pekko-build to 0.4.7 (#2576)

Co-authored-by: scala-steward-asf[bot] <147768647+scala-steward-asf[bot]@users.noreply.github.com>

Author: scala-steward-asf[bot]

project/plugins.sbt

@@ -26,7 +26,7 @@ addSbtPlugin("net.bzzt" % "sbt-reproducible-builds" % "0.32")
 
 addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.1.1")
 addSbtPlugin("com.github.pjfanning" % "sbt-source-dist" % "0.1.13")
-addSbtPlugin("com.github.pjfanning" % "sbt-pekko-build" % "0.4.5")
+addSbtPlugin("com.github.pjfanning" % "sbt-pekko-build" % "0.4.7")
 addSbtPlugin("com.github.reibitto" % "sbt-welcome" % "0.5.0")
 addSbtPlugin("com.github.sbt" % "sbt-license-report" % "1.9.0")
 addSbtPlugin("io.github.roiocam" % "sbt-depend-walker" % "0.1.1")