experiment with workflows

.github/workflows/scala.yml

@@ -21,15 +21,17 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up JDK 17
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         java-version: '17'
         distribution: 'temurin'
         cache: 'sbt'
+    - run: curl -fL https://github.com/coursier/coursier/releases/latest/download/cs-x86_64-pc-linux.gz | gzip -d > cs && chmod +x cs && ./cs setup --yes --install-dir /usr/bin --apps sbt
     - name: Run tests
       run: sbt test
       # Optional: This step uploads information to the GitHub dependency graph and unblocking Dependabot alerts for the repository
     - name: Upload dependency graph
+      if: ${{ github.token != null}}
       uses: scalacenter/sbt-dependency-submission@v2
       with:
         configs-ignore: scala-tool scala-doc-tool