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

Author: typelevel-steward[bot]

project/plugins.sbt

@@ -2,5 +2,5 @@ val sbtlTlV = "0.8.2"
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtlTlV)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-scalafix" % sbtlTlV)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % sbtlTlV)
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.20.1")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.20.2")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.13.1")