Update .gitlab-ci.yml file

.gitlab-ci.yml

+include:
+  - template: Jobs/SAST.gitlab-ci.yml
+
+
+stages:          # List of stages for jobs, and their order of execution
+  - build
+  - test
+  - deploy
+
+build:       # This job runs in the build stage, which runs first.
+    stage: build
+    image: maven:3.9.4-eclipse-temurin-20
+    script:
+        - "echo 'Starting Build Stage'"
+        - "mvn compile"
+
+
+unit-test:   # This job runs in the test stage.
+    stage: test    # It only starts when the job in the build stage completes successfully.
+    image: maven:3.9.4-eclipse-temurin-20
+    script:
+        - echo "Running unit tests..."
+        - "mvn test"
+    artifacts:
+        reports:
+            junit:
+                - target/surefire-reports/TEST-*.xml
+                - target/failsafe-reports/TEST-*.xml
+
+package-musicmanager:
+    stage: package
+    image: maven:3.9.4-eclipse-temurin-20
+    script:
+        - "echo 'Starting Package Stage'"
+        - "mvn package"
+    only:
+        refs:
+            - main
+    artifacts:
+        paths:
+            - target/*.jar
+        expire_in: 2 days
+