Adopt GHA Scala library release workflow

.github/workflows/release.yml

@@ -0,0 +1,13 @@
+name: Release
+
+on:
+  workflow_dispatch:
+
+jobs:
+  release:
+    uses: guardian/gha-scala-library-release-workflow/.github/workflows/reusable-release.yml@main
+    permissions: { contents: write, pull-requests: write }
+    secrets:
+      SONATYPE_TOKEN: ${{ secrets.AUTOMATED_MAVEN_RELEASE_SONATYPE_TOKEN }}
+      PGP_PRIVATE_KEY: ${{ secrets.AUTOMATED_MAVEN_RELEASE_PGP_SECRET }}
+      GITHUB_APP_PRIVATE_KEY: ${{ secrets.AUTOMATED_MAVEN_RELEASE_GITHUB_APP_PRIVATE_KEY }}

.tool-versions

@@ -0,0 +1,2 @@
+java corretto-21.0.3.9.1
+

build.sbt

@@ -1,3 +1,4 @@
+import sbtversionpolicy.withsbtrelease.ReleaseVersion.fromAggregatedAssessedCompatibilityWithLatestRelease
 
 name := "fastly-api-client"
 
@@ -17,7 +18,7 @@ libraryDependencies ++= Seq(
     "com.typesafe" % "config" % "1.4.3" % Test
 )
 
-ThisBuild / scalacOptions ++= Seq("-deprecation", "-feature", "-language:postfixOps", "-release", "11") ++
+scalacOptions ++= Seq("-deprecation", "-feature", "-language:postfixOps", "-release:11") ++
   (CrossVersion.partialVersion(scalaVersion.value) match {
     case Some((2, _)) => Seq("-Xsource:3") // flags only needed in Scala 2
     case _ => Seq.empty
@@ -27,39 +28,10 @@ enablePlugins(BuildInfoPlugin)
 buildInfoKeys := Seq[BuildInfoKey](name, version)
 buildInfoPackage := "com.gu.fastly.api"
 
-publishMavenStyle := true
-
-publishTo := sonatypePublishToBundle.value
-
-Test / publishArtifact := false
-
-pomIncludeRepository := { _ => false }
-
-pomExtra := (
-  <url>https://github.com/guardian/fastly-api-client</url>
-  <licenses>
-    <license>
-      <name>Apache License, Version 2.0</name>
-      <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
-      <distribution>repo</distribution>
-    </license>
-  </licenses>
-  <scm>
-    <url>[email protected]:guardian/fastly-api-client.git</url>
-    <connection>scm:git:[email protected]:guardian/fastly-api-client.git</connection>
-  </scm>
-  <developers>
-    <developer>
-      <id>obrienm</id>
-      <name>Matthew O'Brien</name>
-      <url>http://www.theguardian.com</url>
-    </developer>
-  </developers>
-)
-
-
 import ReleaseTransformations._
 
+licenses := Seq(License.Apache2)
+releaseVersion := fromAggregatedAssessedCompatibilityWithLatestRelease().value
 releaseCrossBuild := true
 
 releaseProcess := Seq[ReleaseStep](
@@ -70,10 +42,6 @@ releaseProcess := Seq[ReleaseStep](
   setReleaseVersion,
   commitReleaseVersion,
   tagRelease,
-  // For non cross-build projects, use releaseStepCommand("publishSigned")
-  releaseStepCommandAndRemaining("+publishSigned"),
-  releaseStepCommand("sonatypeBundleRelease"),
   setNextVersion,
   commitNextVersion,
-  pushChanges
 )

project/plugins.sbt

@@ -2,6 +2,6 @@ addSbtPlugin("com.github.sbt" % "sbt-release" % "1.4.0")
 
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.11.0")
 
-addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.2.1")
-
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.12.0")
+
+addSbtPlugin("ch.epfl.scala" % "sbt-version-policy" % "3.2.1")