Improve sbt installation in Playground PreCommit workflow

Author: derrickaw

.github/workflows/beam_Playground_Precommit.yml

@@ -63,17 +63,19 @@ jobs:
       - name: Add GOPATH/bin to PATH
         run: echo "PATH=$PATH:$(go env GOPATH)/bin" >> $GITHUB_ENV
 
-      - name: Install sbt for running SCIO tests
+      - name: Install system dependencies
         run: |
           sudo apt-get update --yes
-          sudo apt-get install apt-transport-https curl gnupg -yqq
-          echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" | sudo tee /etc/apt/sources.list.d/sbt.list
-          echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | sudo tee /etc/apt/sources.list.d/sbt_old.list
-          curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | sudo -H gpg --no-default-keyring --keyring gnupg-ring:/etc/apt/trusted.gpg.d/scalasbt-release.gpg --import
-          sudo chmod 644 /etc/apt/trusted.gpg.d/scalasbt-release.gpg
-          sudo apt-get update --yes
-          sudo apt-get install sbt wget curl gnupg --yes
-          sudo wget https://codeload.github.com/spotify/scio.g8/zip/7c1ba7c1651dfd70976028842e721da4107c0d6d -O scio.g8.zip && unzip scio.g8.zip && sudo mv scio.g8-7c1ba7c1651dfd70976028842e721da4107c0d6d /opt/scio.g8
+          sudo apt-get install wget curl unzip --yes
+
+      - name: Setup sbt
+        uses: sbt/setup-sbt@v1
+
+      - name: Install scio.g8
+        run: |
+          sudo wget https://codeload.github.com/spotify/scio.g8/zip/7c1ba7c1651dfd70976028842e721da4107c0d6d -O scio.g8.zip
+          unzip scio.g8.zip
+          sudo mv scio.g8-7c1ba7c1651dfd70976028842e721da4107c0d6d /opt/scio.g8
  
       - name: Set up Cloud SDK and its components
         uses: google-github-actions/setup-gcloud@aa5489c8933f4cc7a4f7d45035b3b1440c9c10db