Update Paradox (akka#2910)

.github/workflows/publish.yml

@@ -24,10 +24,13 @@ jobs:
           # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
           fetch-depth: 0
 
-      - name: Set up JDK 8
-        uses: coursier/setup-[email protected]
+      - name: Setup Scala with JDK 8
+        uses: olafurpg/setup-scala@v13
         with:
-          jvm: adopt:8
+          java-version: [email protected]
+
+      - name: Cache Coursier cache
+        uses: coursier/cache-action@v6
 
       - name: Publish artifacts for all Scala versions
         env:
@@ -37,6 +40,26 @@ jobs:
           SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
         run: sbt ci-release
 
+  documentation:
+    # runs on main repo only
+    if: github.repository == 'akka/alpakka'
+    name: Documentation
+    environment: release
+    runs-on: ubuntu-20.04
+    env:
+      JAVA_OPTS: -Xms2G -Xmx2G -Xss2M -XX:ReservedCodeCacheSize=256M -Dfile.encoding=UTF-8
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
+          fetch-depth: 0
+
+      - name: Set up JDK 8
+        uses: coursier/[email protected]
+        with:
+          java-version: [email protected]
+
       - name: Publish API and reference documentation
         env:
           GUSTAV_KEY: ${{ secrets.GUSTAV_KEY }}

project/plugins.sbt

@@ -7,7 +7,7 @@ addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.0")
 addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.7.0")
 // docs
-addSbtPlugin("com.lightbend.akka" % "sbt-paradox-akka" % "0.44")
+addSbtPlugin("com.lightbend.akka" % "sbt-paradox-akka" % "0.45")
 addSbtPlugin("com.lightbend.paradox" % "sbt-paradox-dependencies" % "0.2.2")
 addSbtPlugin("com.lightbend.sbt" % "sbt-publish-rsync" % "0.2")
 addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.5.0")