Merge pull request #27 from dwickern/fix-ci

Add missing sbt in CI

Author: dwickern

.github/workflows/build.yml

@@ -13,20 +13,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
-          java-version: 1.8
+          distribution: temurin
+          java-version: 8
+          cache: sbt
 
-      - name: Cache SBT
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.ivy2/cache
-            ~/.sbt
-          key: ${{ runner.os }}-sbt-${{ hashFiles('**/build.sbt', '**/plugins.sbt') }}
+      - uses: sbt/setup-sbt@v1
 
       - name: Run tests
         run: sbt test mdoc