Update scala3-library to 3.4.2 (#117)

Co-authored-by: scala-steward <122865766+scala-steward-geirolz[bot]@users.noreply.github.com>

build.sbt

@@ -3,7 +3,7 @@ import sbt.project
 lazy val prjName                = "toolkit"
 lazy val prjDescription         = "A small toolkit to build functional app with managed resources"
 lazy val org                    = "com.github.geirolz"
-lazy val scala34                = "3.4.0"
+lazy val scala34                = "3.4.2"
 lazy val supportedScalaVersions = List(scala34)
 
 //## global project to no publish ##