Modernize/Update/Align CI (#1279)

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -2,7 +2,6 @@ name: CI
 
 env:
   JDK_JAVA_OPTIONS: -XX:+PrintCommandLineFlags -XX:MaxMetaspaceSize=4G -Xmx4G -Xss8M # JDK_JAVA_OPTIONS is _the_ env. variable to use for modern Java
-  JVM_OPTS: -XX:+PrintCommandLineFlags -XX:MaxMetaspaceSize=4G -Xmx4G -Xss8M # for Java 8 only (sadly, it is not modern enough for JDK_JAVA_OPTIONS)
   NODE_OPTIONS: --max_old_space_size=6144
 
 on:
@@ -77,7 +76,7 @@ jobs:
         uses: actions/[email protected]
         with:
           distribution: temurin
-          java-version: 8 # ensure it works on 8 because we publish for 8
+          java-version: 11 # ensure it works on 11 because we publish for 11
           check-latest: true
       - name: Setup NodeJs
         uses: actions/setup-node@v4
@@ -141,7 +140,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: ['8', '11']
+        java: ['11', '17', '21']
         platform: ['JVM']
     steps:
       - name: Checkout current branch
@@ -207,7 +206,7 @@ jobs:
         uses: actions/[email protected]
         with:
           distribution: temurin
-          java-version: '8'
+          java-version: '17'
           check-latest: true
       - name: Cache Dependencies
         uses: coursier/cache-action@v6
@@ -274,7 +273,7 @@ jobs:
         uses: actions/[email protected]
         with:
           distribution: temurin
-          java-version: 8 # publish for 8
+          java-version: 11 # publish for 11
           check-latest: true
       - name: Cache scala dependencies
         uses: coursier/cache-action@v6
@@ -310,7 +309,7 @@ jobs:
         uses: actions/[email protected]
         with:
           distribution: temurin
-          java-version: '8'
+          java-version: '11'
           check-latest: true
       - name: Cache Dependencies
         uses: coursier/cache-action@v6

.github/workflows/scala-steward.yml

@@ -0,0 +1,21 @@
+name: Scala Steward
+
+# This workflow will launch everyday at 00:00
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch: {}
+
+jobs:
+  scala-steward:
+    timeout-minutes: 45
+    runs-on: ubuntu-latest
+    name: Scala Steward
+    steps:
+      - name: Scala Steward
+        uses: scala-steward-org/[email protected]
+        with:
+          github-app-id: ${{ secrets.SCALA_STEWARD_GITHUB_APP_ID }}
+          github-app-installation-id: ${{ secrets.SCALA_STEWARD_GITHUB_APP_INSTALLATION_ID }}
+          github-app-key: ${{ secrets.SCALA_STEWARD_GITHUB_APP_PRIVATE_KEY }}
+          github-app-auth-only: true

project/plugins.sbt

@@ -15,4 +15,4 @@ addSbtPlugin("org.scalameta"                     % "sbt-mdoc"
 addSbtPlugin("org.scalameta"                     % "sbt-scalafmt"                  % "2.5.0")
 addSbtPlugin("pl.project13.scala"                % "sbt-jcstress"                  % "0.2.0")
 addSbtPlugin("pl.project13.scala"                % "sbt-jmh"                       % "0.4.7")
-addSbtPlugin("dev.zio"                           % "zio-sbt-website"               % "0.4.0-alpha.22")
+addSbtPlugin("dev.zio"                           % "zio-sbt-website"               % "0.4.0-alpha.25")