Merge pull request #636 from SethTisue/dont-recommend-ancient-scala-version

don't recommend very old Scala version

Author: sjrd

doc/project/cross-build.md

@@ -38,7 +38,7 @@ addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.2.0")
 You can then use the `crossProject` builder in your `build.sbt` file:
 
 {% highlight scala %}
-ThisBuild / scalaVersion := "2.13.1"
+ThisBuild / scalaVersion := "2.13.14"
 
 lazy val root = project.in(file(".")).
   aggregate(foo.js, foo.jvm).

doc/tutorial/basic/index.md

@@ -36,7 +36,7 @@ We also setup basic project settings and enable this plugin in the sbt build fil
 enablePlugins(ScalaJSPlugin)
 
 name := "Scala.js Tutorial"
-scalaVersion := "2.13.1" // or any other Scala version >= 2.11.12
+scalaVersion := "2.13.14" // or a newer version such as "3.4.2", if you like
 
 // This is an application with a main method
 scalaJSUseMainModuleInitializer := true