Update scala3-library_sjs1_3 to 3.8.4

Author: typelevel-steward[bot]

build.sbt

@@ -13,7 +13,7 @@ ThisBuild / developers := List(
 
 val Scala213 = "2.13.18"
 
-ThisBuild / crossScalaVersions := Seq("3.3.8", "2.12.21", Scala213)
+ThisBuild / crossScalaVersions := Seq("3.8.4", "2.12.21", Scala213)
 ThisBuild / tlVersionIntroduced := Map("3" -> "1.2.1")
 
 lazy val commonJvmSettings = Seq(