Upgraded scalajs module to scala 3

Author: yadavan88

build.sbt

@@ -616,7 +616,10 @@ addCommandAlias(
 lazy val playGroup = (project in file("play-scala"))
 
 //Uncomment this to enable scala-js module. It needs nodejs module as well in local machine
-//lazy val scalajs = project in file("scala-js")
+//lazy val scalajs = (project in file("scala-js"))
+//  .settings(
+//    scalaVersion := scala3Version
+//  )
 lazy val scalatra = project in file("scalatra")
 lazy val benchmark = project in file("specialized-benchmark")
 

scala-js/build.sbt

@@ -5,11 +5,9 @@ version := "1.0-SNAPSHOT"
 
 enablePlugins(ScalaJSPlugin)
 
-scalaVersion := "2.13.12"
-
 scalaJSUseMainModuleInitializer := true
-libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "2.2.0"
-libraryDependencies += "org.scalatest" %%% "scalatest" % "3.1.2" % Test
+libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "2.8.0"
+libraryDependencies += "org.scalatest" %%% "scalatest" % "3.2.17" % Test
 
 //enable the below setting after installing npm package jsdom.
 jsEnv := new org.scalajs.jsenv.jsdomnodejs.JSDOMNodeJSEnv()