Update scalajs to 1.16.0

Author: tgodzik

build.sc

@@ -27,7 +27,7 @@ object Dependencies {
   def coursierVersion    = "2.1.0-M6-53-gb4f448130"
   def graalvmVersion     = "22.2.0"
   def jsoniterVersion    = "2.13.3.2"
-  def scalaJs1Version    = "1.15.0"
+  def scalaJs1Version    = "1.16.0"
   def scalaJsEnvsVersion = "1.1.1"
 
   def asm               = ivy"org.ow2.asm:asm:$asmVersion"