Update sbt-scalajs, scalajs-compiler, ... to 1.20.2 (#284)

Author: hnaderi

project/plugins.sbt

@@ -3,5 +3,5 @@ addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.8.4")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.8.2")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.9")
 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("ch.epfl.scala" % "sbt-scalajs-bundler" % "0.21.1")