Merge pull request #76 from mkurz/sbt2cross-update

Update sbt 2 cross build settings

Author: mkurz

.github/scala-steward.conf

@@ -7,11 +7,6 @@ pullRequests.grouping = [
 ]
 
 updates.pin = [
-  // sbt-digest is a sbt plugin and sbt plugins use Scala 2.12
-  { groupId = "org.scala-lang", artifactId = "scala-compiler", version = "2.12." },
-  { groupId = "org.scala-lang", artifactId = "scala-library",  version = "2.12." },
-  { groupId = "org.scala-lang", artifactId = "scala-reflect",  version = "2.12." },
-  { groupId = "org.scala-lang", artifactId = "scalap",         version = "2.12." }
 ]
 
 updatePullRequests = never

.github/workflows/build-test.yml

@@ -17,7 +17,7 @@ jobs:
     name: Tests
     uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
-      java: 17, 11, 8
+      java: 25, 17, 11, 8
       scala: 2.12.21, 3.8.3
       # Scala 3.8.x compiler bridge requires Java 17 (excludes 8 and 11).
       exclude: '[{"java": "8", "scala": "3.8.3"}, {"java": "11", "scala": "3.8.3"}]'

build.sbt

@@ -27,7 +27,7 @@ pluginCrossBuild / sbtVersion := {
 
 scalacOptions := {
   CrossVersion.partialVersion(scalaVersion.value) match {
-    case Some((2, _)) => Seq("-Xsource:3")
+    case Some((2, _)) => Seq("-Xsource:3", "-release:8")
     case _            => Seq.empty
   }
 }