replace use of unmaintained setup-scala action (#148)

* replace use of unmaintained setup-scala scation

* try setting gha permissions

.github/workflows/multi-node.yml

@@ -5,6 +5,9 @@ on:
     - cron: '0 2 * * 1,3,5'
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 concurrency:
   # Only run once for latest commit per ref and cancel other (previous) runs.
   group: ci-multi-node-${{ github.ref }}
@@ -40,10 +43,11 @@ jobs:
           # Start 10 pods. At most 10 MultiJvmNode (akka.cluster.StressSpec is currently disabled).
           ./kubernetes/setup.sh 10 multi-node-test.hosts tcp
 
-      - name: Set up JDK 11
-        uses: olafurpg/setup-scala@v13
+      - name: Setup Java 11
+        uses: actions/setup-java@v3
         with:
-          java-version: adopt@1.11.0-9
+          distribution: temurin
+          java-version: 11
 
       - name: Cache Coursier cache
         uses: coursier/cache-action@v6.4.0
@@ -127,10 +131,11 @@ jobs:
           # Start 10 pods. At most 10 MultiJvmNode (akka.cluster.StressSpec is currently disabled).
           ./kubernetes/setup.sh 10 multi-node-test.hosts udp
 
-      - name: Set up JDK 11
-        uses: olafurpg/setup-scala@v13
+      - name: Setup Java 11
+        uses: actions/setup-java@v3
         with:
-          java-version: adopt@1.11.0-9
+          distribution: temurin
+          java-version: 11
 
       - name: Cache Coursier cache
         uses: coursier/cache-action@v6.4.0