Update dependency scala to v3

renovate[bot] · web-flow · commit 2d252332d18f · 2026-03-30T08:58:47.000Z
diff --git a/build.sbt b/build.sbt
@@ -1,6 +1,6 @@
 import _root_.io.github.nafg.mergify.dsl.*
 
-ThisBuild / scalaVersion := "2.13.15"
+ThisBuild / scalaVersion := "3.8.3"
 ThisBuild / scalacOptions += "-Xsource:3"
 
 mergifyExtraConditions := Seq(
