Update GitHub actions workflow for Java 21

Author: ERSUCC

.github/workflows/main.yml

@@ -4,18 +4,20 @@ on:
   push:
   workflow_dispatch:
 
-env:
-  LIBERICA_URL: https://download.bell-sw.com/java/17.0.3+7/bellsoft-jdk17.0.3+7-linux-amd64-full.tar.gz
-
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-
-      - uses: olafurpg/setup-scala@v10
+      - uses: actions/setup-java@v5
         with:
-          java-version: liberica@17=tgz+${{ env.LIBERICA_URL }}
+          distribution: zulu
+          java-version: 21.0.2
+          java-package: jdk+fx
+          cache: sbt
+
+      - uses: sbt/setup-sbt@v1
 
-      - run: sbt -v update compile
-      - run: sbt -v test
+      - name: Build and Test
+        run: |
+          sbt -v update compile
+          sbt -v test

project/build.properties

@@ -1 +1 @@
-sbt.version=1.7.2
+sbt.version=1.10.1