Update Scala to 3.8.4

build.sbt

@@ -1052,7 +1052,6 @@ lazy val sbtwProj = (project in file("sbtw"))
     commonSettings,
     name := "sbtw",
     description := "Windows drop-in launcher for sbt (replaces sbt.bat)",
-    scalaVersion := "3.8.3",
     crossPaths := false,
     Compile / mainClass := Some("sbtw.Main"),
     libraryDependencies += "com.github.scopt" %% "scopt" % "4.1.0",

main/src/main/scala/sbt/internal/Continuous.scala

@@ -428,6 +428,7 @@ private[sbt] object Continuous {
     }
   }
 
+  @annotation.nowarn("msg=which is not accessible here")
   private def getFileEvents(
       configs: Seq[Config],
       logger: Logger,

project/Dependencies.scala

@@ -3,7 +3,7 @@ import Keys.*
 
 object Dependencies {
   // WARNING: Please Scala update versions in PluginCross.scala too
-  val scala3 = "3.8.3"
+  val scala3 = "3.8.4"
   val scala212 = "2.12.21"
   val baseScalaVersion = scala3
   def nightlyVersion: Option[String] =