Update buildAndTest.yml and remove unused dependencies

.github/workflows/buildAndTest.yml

@@ -11,13 +11,23 @@ jobs:
     runs-on: self-hosted
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: Set up JDK 21
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         java-version: '21'
         distribution: 'temurin'
+        architecture: x64
+    
+    - name: Set up Maven
+      uses: stCarolas/setup-maven@v5
+      with:
+        maven-version: 3.8.2
+        
+    - name: Run the Maven verify phase
+      run: mvn --batch-mode --update-snapshots verify
+      working-directory: Backend
         
     - name: Build with Maven
       run: mvn -B package --file pom.xml