Set Scala 3.5.2 as the latest announced Scala Next version (#3243)

Author: Gedochao

project/deps.sc

@@ -9,7 +9,7 @@ object Scala {
   def scala3LtsPrefix = "3.3"   // used for the LTS version tags
   def scala3Lts  = s"$scala3LtsPrefix.4" // the LTS version currently used in the build
   def scala3Next = "3.5.2"               // the newest/next version of Scala
-  def scala3NextAnnounced = "3.5.1"     // the newest/next version of Scala that's been announced
+  def scala3NextAnnounced = scala3Next  // the newest/next version of Scala that's been announced
   def scala3NextRc        = "3.5.2-RC2" // the latest RC version of Scala Next
 
   // The Scala version used to build the CLI itself.