Update sbt-scalajs, scalajs-compiler, ... to 1.20.2

Author: scala-steward

project/plugins.sbt

@@ -1,7 +1,7 @@
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject"      % "1.3.2")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 
-addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.20.1")
+addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.20.2")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"              % "0.5.9")
 
 addSbtPlugin("pl.project13.scala" % "sbt-jmh"                       % "0.4.8")