Setup SBT

Author: mikla

.github/workflows/ci.yml

@@ -33,4 +33,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          
+      - name: Setup SBT
+        uses: olafurpg/setup-scala@v13
+        with:
+          java-version: '21'
+          
       - uses: scalacenter/sbt-dependency-submission@v2