Merge pull request #448 from scala-steward/update/sbt-scalajs-1.9.0

Update sbt-scalajs, scalajs-compiler, ... to 1.9.0

Author: Philippus

Diff for: build.sbt

@@ -8,7 +8,7 @@ val commonSettings = Seq(
     if (scalaVersion.value.startsWith("3"))
       Compatibility.None
     else
-      Compatibility.BinaryAndSourceCompatible
+      Compatibility.BinaryCompatible
     }
 )
 

Diff for: project/plugins.sbt

@@ -1,7 +1,7 @@
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "3.0.1")
 
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.1.0")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.7.1")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.9.0")
 
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.1.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.3")