Merge pull request #3435 from typelevel/topic/update-sjs-on-2.5

Update to Scala.js 1.16.0 on series/2.5.x

Author: mpilquist

project/plugins.sbt

@@ -1,5 +1,5 @@
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.7.0")
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.1.0")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")
+addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.2.0")
 addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.22.1")
 addSbtPlugin("com.github.tkawachi" % "sbt-doctest" % "0.9.9")
 addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.6")