Update sbt-scalajs, scalajs-compiler, ... to 1.20.2 (scala#613)

Author: scala-steward

project/plugins.sbt

@@ -1,7 +1,7 @@
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "3.4.0")
 
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.20.1")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.20.2")
 
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.9")