Update maven.yml with PostgreSQL service

Update maven.yml with PostgreSQL service

.github/workflows/maven.yml

@@ -13,7 +13,23 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-
+    
+    services:
+      postgres:
+        image: postgres:latest
+        env:
+          POSTGRES_DB: libreplandev       
+          POSTGRES_PASSWORD: libreplan
+          POSTGRES_USER: libreplan
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+          
     steps:
     - uses: actions/checkout@v3
     - name: Set up JDK 8