ci: replace the former workflow for a new one

its aim is to validate the backend (Java Spring application)

Author: vianavitor-dev

.github/workflows/maven.yml

@@ -0,0 +1,32 @@
+name: Project - Spring Boot application
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    services:
+      mysql:
+        image: mysql:8.0
+        env:
+          MYSQL_ROOT_PASSWORD: password
+          MYSQL_DATABASE: testdb
+        ports:
+          - 3306:3306
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+
+      - name: Run Tests
+        run: mvn test
+        env:
+          # Override properties to point to the service container
+          SPRING_DATASOURCE_URL: jdbc:mysql://localhost:3306/testdb
+          SPRING_DATASOURCE_USERNAME: root
+          SPRING_DATASOURCE_PASSWORD: password