use latest Scala (#156)

Author: tsuyoshizawa

build.sbt

@@ -7,8 +7,8 @@ lazy val scalaOAuth2ProviderSettings =
   Defaults.coreDefaultSettings ++
     Seq(
       organization := "com.nulab-inc",
-      scalaVersion := "3.1.0",
-      crossScalaVersions := Seq("2.13.8", "2.12.15", "2.11.12"),
+      scalaVersion := "3.3.0",
+      crossScalaVersions := Seq("2.13.12", "2.12.18", "2.11.12"),
       scalacOptions ++= Seq("-deprecation", "-unchecked", "-feature"),
       publishTo := {
         val v = version.value

project/build.properties

@@ -1 +1 @@
-sbt.version=1.6.2
+sbt.version=1.9.6