Merge pull request #141 from scala-steward/update/scala3-staging-3.6.1

Update scala3-staging to 3.6.1

Author: deanwampler

build.sbt

@@ -1,4 +1,4 @@
-val scala3 = "3.5.2"
+val scala3 = "3.6.1"
 lazy val root = project
   .in(file("."))
   .settings(