Drop Java 8

.github/workflows/build-test.yml

@@ -21,14 +21,14 @@ jobs:
 
   check-binary-compatibility:
     name: Binary Compatibility
-    uses: playframework/.github/.github/workflows/binary-check.yml@v2
+    uses: playframework/.github/.github/workflows/binary-check.yml@v3
 
   tests:
     name: Tests
     needs:
       - "check-code-style"
       - "check-binary-compatibility"
-    uses: playframework/.github/.github/workflows/cmd.yml@v2
+    uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
       scala: 2.12.16, 2.13.8
       cmd: sbt ++$MATRIX_SCALA test
@@ -37,7 +37,7 @@ jobs:
     name: Samples
     needs:
       - "tests"
-    uses: playframework/.github/.github/workflows/cmd.yml@v2
+    uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
       add-dimensions: >-
         {
@@ -50,4 +50,4 @@ jobs:
     if: github.event_name == 'pull_request'
     needs: # Should be last
       - "samples"
-    uses: playframework/.github/.github/workflows/rtm.yml@v2
+    uses: playframework/.github/.github/workflows/rtm.yml@v3

.github/workflows/publish.yml

@@ -11,5 +11,5 @@ on:
 jobs:
   publish-artifacts:
     name: Publish / Artifacts
-    uses: playframework/.github/.github/workflows/publish.yml@v2
+    uses: playframework/.github/.github/workflows/publish.yml@v3
     secrets: inherit

build.sbt

@@ -22,7 +22,7 @@ lazy val root = (project in file("."))
     mimaPreviousArtifacts := Set.empty, // TODO: enable after first release
     scalaVersion := Scala213,
     crossScalaVersions := Seq(Scala213, Scala212),
-    scalacOptions ++= Seq("-feature", "-target:jvm-1.8"),
+    scalacOptions ++= Seq("-feature", "-release", "11"),
     (Compile / doc / scalacOptions) := Nil,
     javacOptions ++= Seq("-Xlint"),
     libraryDependencies ++= Seq(