ci change to maven

Author: evd0kim

.github/workflows/ci.yml

@@ -5,13 +5,18 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3 # Retrieve the content of the repository
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 1
-      - uses: actions/setup-java@v3 # Set up a jdk
+
+      - uses: actions/setup-java@v3
         with:
           distribution: temurin
           java-version: 11
-          cache: sbt # Cache the artifacts downloaded by sbt accross CI runs
-      - name: unit tests # Custom action consisting of a shell command
-        run: sbt +test
+          cache: maven
+
+      - name: Run tests
+        run: mvn clean test
+
+      - name: Build package
+        run: mvn package -DskipTests